umuc MATH009 Complete course (discussions+quizzes+exams) latest

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umuc MATH009 Complete course (discussions+quizzes+exams) latest

Week 1 discussion

Week 1 Participation Problems Actions for ‘Week 1 Participation Problems’

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For this week, consider these exercises:

Text and Section Number

Discussion Problems

PA (Prealgebra Text) 22

66 – 80 (even)

PA 23

30 – 50 (even), 58

PA 24

40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84

PA 25

10, 20, 42, 54, 60, 72, 84, 98, 102

PA 26

46 – 68 (even), 78, 86, 88 96

To participate, choose ONE of the problems listed in the Discussion Problems Column that has not already been chosen by a classmate:

1 Click the “Start a New Thread” button below the instructions to post your solution

2 Write the section and problem number into the subject line Example: PA 26 #48

(Using this format will list the problems in order so that you can see if a problem has already been selected by a classmate)

3 Be sure to write out the directions for the problem and the original statement of the problem then show work or an explanation with your solution; generally speaking, do not just state your answer

4 Click Post to save and display your problem

You may reserve your exercise by posting a note identifying your exercise and including “reserved” in the title Follow up by posting your initial solution by the end of Week 1 Your work will be reviewed by your instructor Please check back into the discussion for comments; you may be asked to revise your work and to answer follow-up questions To earn full credit, you must complete any revisions by Fri 8/26/16

Please write revisions as NEW replies to comments so that your instructor will receive a notification from LEO that you have posted new work and so that classmates looking over your work can follow the thread of the discussion

Week 2 discussion

Week 2 Participation Problems Actions for ‘Week 2 Participation Problems’

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For this week, consider these exercises:

Text and Section Number

Discussion Problems

PA (Prealgebra Text) 35

46 – 68 (even)

PA 36

4, 14, 32, 36

PA 42

38, 54, 66

PA 43

70, 78, 84, 94

PA 44

60, 68, 100, 120

PA 45

34, 40, 62, 70

PA 46

28, 38

PA 47

36, 44, 64, 74

PA 48

32, 46, 52, 60, 68, 70, 76, 84

To participate, choose ONE of the problems listed in the Discussion Problems Column that has not already been chosen by a classmate:

1 Click the “Start a New Thread” button below the instructions to post your solution

2 Write the section and problem number into the subject line Example: PA 26 #48

(Using this format will list the problems in order so that you can see if a problem has already been selected by a classmate)

3 Be sure to write out the directions for the problem and the original statement of the problem then show work or an explanation with your solution; generally speaking, do not just state your answer

4 Click Post to save and display your problem

You may reserve your exercise by posting a note identifying your exercise and including “reserved” in the title Follow up by posting your initial solution by the end of Week 2 Your work will be reviewed by your instructor Please check back into the discussion for comments; you may be asked to revise your work and to answer follow-up questions To earn full credit, you must complete any revisions by Fri 9/2/16

Please write revisions as NEW replies to comments so that your instructor will receive a notification from LEO that you have posted new work and so that classmates looking over your work can follow the thread of the discussion

Week 3 discussion

Week 3 Participation Problems Actions for ‘Week 3 Participation Problems’

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For this week, consider these exercises:

Text and Section Number

Discussion Problems

PA (Prealgebra Text) 53

94, 98

PA 54

108, 112

PA 55

None

PA 56

20, 24, 38, 48, 64, 66, 68, 74

PA 62

22, 38, 50, 52

PA 73

6, 10, 12, 14, 20, 22, 28, 30, 36, 38

PA 74

2 – 24 (even), 30 – 36 (even)

PA 75

2, 8, 14, 22, 28, 34, 38, 48

To participate, choose ONE of the problems listed in the Discussion Problems Column that has not already been chosen by a classmate:

1 Click the “Start a New Thread” button below the instructions to post your solution

2 Write the section and problem number into the subject line Example: PA 26 #48

(Using this format will list the problems in order so that you can see if a problem has already been selected by a classmate)

3 Be sure to write out the directions for the problem and the original statement of the problem then show work or an explanation with your solution; generally speaking, do not just state your answer

4 Click Post to save and display your problem

You may reserve your exercise by posting a note identifying your exercise and including “reserved” in the title Follow up by posting your initial solution by the end of Week 3 Your work will be reviewed by your instructor Please check back into the discussion for comments; you may be asked to revise your work and to answer follow-up questions To earn full credit, you must complete any revisions by Fri 9/9/16

Please write revisions as NEW replies to comments so that your instructor will receive a notification from LEO that you have posted new work and so that classmates looking over your work can follow the thread of the discussion

Week 4 discussion

Week 4 Participation Problems Actions for ‘Week 4 Participation Problems’

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For this week, consider these exercises:

Text and Section Number

Discussion Problems

EA (Elementary Algebra Text) 21

34 – 52 (even)

EA 22

34 – 56 (even)

EA 23

8 – 32 (even)

EA 24

16, 18, 20, 26, 28, 32, 34, 36

To participate, choose ONE of the problems listed in the Discussion Problems Column that has not already been chosen by a classmate:

1 Click the “Start a New Thread” button below the instructions to post your solution

2 Write the section and problem number into the subject line Example: EA 23 #28

(Using this format will list the problems in order so that you can see if a problem has already been selected by a classmate)

3 Be sure to write out the directions for the problem and the original statement of the problem then show work or an explanation with your solution; generally speaking, do not just state your answer

4 Click Post to save and display your problem

You may reserve your exercise by posting a note identifying your exercise and including “reserved” in the title Follow up by posting your initial solution by the end of Week 4 Your work will be reviewed by your instructor Please check back into the discussion for comments; you may be asked to revise your work and to answer follow-up questions To earn full credit, you must complete any revisions by Fri 9/16/16

Please write revisions as NEW replies to comments so that your instructor will receive a notification from LEO that you have posted new work and so that classmates looking over your work can follow the thread of the discussion

Week 5 discussion

Week 5 Participation Problems Actions for ‘Week 5 Participation Problems’

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For this week, consider these exercises:

Text and Section Number

Discussion Problems

EA (Elementary Algebra Text) 25

2 – 34 (even)

EA 26

46 – 84 (even)

Applications of Linear Inequalities

Applications of Linear Inequalitiespdf

EA 31

12, 14, 16, 20, 22, 24, 26

To participate, choose ONE of the problems listed in the Discussion Problems Column that has not already been chosen by a classmate:

1 Click the “Start a New Thread” button below the instructions to post your solution

2 Write the section and problem number into the subject line Example: EA 23 #28

(Using this format will list the problems in order so that you can see if a problem has already been selected by a classmate)

3 Be sure to write out the directions for the problem and the original statement of the problem then show work or an explanation with your solution; generally speaking, do not just state your answer

4 Click Post to save and display your problem

You may reserve your exercise by posting a note identifying your exercise and including “reserved” in the title Follow up by posting your initial solution by the end of Week 5 Your work will be reviewed by your instructor Please check back into the discussion for comments; you may be asked to revise your work and to answer follow-up questions To earn full credit, you must complete any revisions by Fri 9/23/16

Please write revisions as NEW replies to comments so that your instructor will receive a notification from LEO that you have posted new work and so that classmates looking over your work can follow the thread of the discussion

Week 6 discussion

Week 6 Participation Problems Actions for ‘Week 6 Participation Problems’

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For this week, consider these exercises:

Text and Section Number

Discussion Problems

EA (Elementary Algebra Text) 33

2 – 30 (even)

EA 34

2 – 24 (even)

EA 35

2 – 26 (even)

EA 36

2 – 34 (even)

To participate, choose ONE of the problems listed in the Discussion Problems Column that has not already been chosen by a classmate:

1 Click the “Start a New Thread” button below the instructions to post your solution

2 Write the section and problem number into the subject line Example: EA 23 #28

(Using this format will list the problems in order so that you can see if a problem has already been selected by a classmate)

3 Be sure to write out the directions for the problem and the original statement of the problem then show work or an explanation with your solution; generally speaking, do not just state your answer

4 Click Post to save and display your problem

You may reserve your exercise by posting a note identifying your exercise and including “reserved” in the title Follow up by posting your initial solution by the end of Week 6 Your work will be reviewed by your instructor Please check back into the discussion for comments; you may be asked to revise your work and to answer follow-up questions To earn full credit, you must complete any revisions by Fri 9/30/16

Please write revisions as NEW replies to comments so that your instructor will receive a notification from LEO that you have posted new work and so that classmates looking over your work can follow the thread of the discussion

Week 7 discussion

Week 7 Participation Problems Actions for ‘Week 7 Participation Problems’

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For this week, consider these exercises:

Text and Section Number

Discussion Problems

EA (Elementary Algebra Text) 41

2 – 18 (even)

EA 42

2 – 18, 22 -28 (even)

EA 43

2 – 24 (even)

EA 44

2 – 16 (even)

To participate, choose ONE of the problems listed in the Discussion Problems Column that has not already been chosen by a classmate:

1 Click the “Start a New Thread” button below the instructions to post your solution

2 Write the section and problem number into the subject line Example: EA 23 #28

(Using this format will list the problems in order so that you can see if a problem has already been selected by a classmate)

3 Be sure to write out the directions for the problem and the original statement of the problem then show work or an explanation with your solution; generally speaking, do not just state your answer

4 Click Post to save and display your problem

You may reserve your exercise by posting a note identifying your exercise and including “reserved” in the title Follow up by posting your initial solution by the end of Week 7 Your work will be reviewed by your instructor Please check back into the discussion for comments; you may be asked to revise your work and to answer follow-up questions To earn full credit, you must complete any revisions by Fri 10/7/16

Please write revisions as NEW replies to comments so that your instructor will receive a notification from LEO that you have posted new work and so that classmates looking over your work can follow the thread of the discussion

Week 8 discussion

Week 8 Participation Problems Actions for ‘Week 8 Participation Problems’

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For this week, consider these exercises:

Week 8 Review Problems

To participate, choose ONE of the problems listed in the Discussion Problems Column that has not already been chosen by a classmate:

1 Click the “Start a New Thread” button below the instructions to post your solution

2 Write the problem number into the subject line Example: Problem #28

(Using this format will list the problems in order so that you can see if a problem has already been selected by a classmate)

3 Be sure to write out the directions for the problem and the original statement of the problem then show work or an explanation with your solution; generally speaking, do not just state your answer

4 Click Post to save and display your problem

You may reserve your exercise by posting a note identifying your exercise and including “reserved” in the title Follow up by posting your initial solution by the end of Week 8 Your work will be reviewed by your instructor Please check back into the discussion for comments; you may be asked to revise your work and to answer follow-up questions To earn full credit, you must complete any revisions by Fri 10/14/16

Please write revisions as NEW replies to comments so that your instructor will receive a notification from LEO that you have posted new work and so that classmates looking over your work can follow the thread of the discussion

Math 009 Quiz 1

Professor: Dr Monique Head

Name________________________________

Instructions:

• The quiz is worth 50 points There are 10 problems, each worth 5 points Your score on the quiz will be converted to a percentage and posted in your Portfolio with comments

• This quiz is open book and open notes, and you may take as long as you like on it provided that you submit the quiz no later than the due date posted in our course schedule of the syllabus You may refer to your textbook, notes, and online classroom materials, but you may not consult anyone

• You should show all of your work to receive full credit If you do not show work, you may earn only partial or no credit

• Please type your work in your copy of the quiz, or if you prefer, create a document containing your work Scanned work is also acceptable Be sure to include your name in the document Review instructions for submitting your quiz in the Quizzes and Exams Conference

• If you have any questions, please contact me by e-mail (head@umucedu”>moniquehead@umucedu)

At the end of your quiz you must include the following dated statement with your name typed in lieu of a signature Without this signed statement you will receive a zero I have completed this quiz myself, working independently and not consulting anyone except the instructor I have neither given nor received help on this quiz

Name: Date:

Please remember to show ALL of your work on every problem If there is no work to show, then include a sentence or two explaining your answer

Here are the basic rules of showing work:

1. a) Each step should show the complete expression or equation rather than a piece of it

2. b) Each new step should follow logically from the previous step, following rules of algebra

3. c) Each new step should be beneath the previous step

4. d) The equal sign, =, should only connect equal numbers or expressions

Our textbook is full of good models of work shown correctly Take a look, for instance, at Example 3 on page 27

If you have questions about showing work, please ask

1) Place the correct symbol, <, >, or =, between each pair of expressions Show or explain your work on each problem

1. a) -341 _______ -314

2. b) | -19 | _______ | -100 |

3. c) gif”> ________ gif”>

4. d) | -15 + 77 | ________ 88

5. e) gif”> _______ gif”>

2) Add the fractions and write your answer in lowest terms:

gif”>

3) Subtract the fractions and write your answer in lowest terms:

gif”>

4) Multiply the fractions and write your answer in lowest terms:

gif”>

5) Divide the fractions and write your answer in lowest terms:

gif”>

6) Simplify the expression: gif”>

7) Simplify the expression: gif”>

8) Simplify the expression: gif”>

9) Evaluate the expression if x = 25, y = 18, and z = 10:

gif”>

10) A math teacher orders one pizza Her husband eats gif”> of the pizza, her older daughter eats gif”> of the pizza, and her younger daughter eats gif”> of the pizza What fraction of the pizza is left for the hungry math teacher?

End of quiz: please do not forget to write and sign (or type) the required statement explained in the box above Part I of the quiz

Math 009 Quiz 2

Professor: Dr Monique Head

Name________________________________

Instructions:

• The quiz is worth 50 points There are 10 problems, each worth 5 points Your score on the quiz will be converted to a percentage and posted in your Portfolio with comments

• This quiz is open book and open notes, and you may take as long as you like on it provided that you submit the quiz no later than the due date posted in our course schedule of the syllabus You may refer to your textbook, notes, and online classroom materials, but you may not consult anyone

• You should show all of your work to receive full credit If you do not show work, you may earn only partial or no credit at the discretion of the professor

• Please type your work in your copy of the quiz, or if you prefer, create a document containing your work Scanned work is also acceptable Be sure to include your name in the document Review instructions for submitting your quiz in the Quizzes and Exams Conference

• If you have any questions, please contact me by e-mail (head@umucedu”>moniquehead@umucedu)

At the end of your quiz you must include the following dated statement with your name typed in lieu of a signature Without this signed statement you will receive a zero I have completed this quiz myself, working independently and not consulting anyone except the instructor I have neither given nor received help on this quiz

Name: Date:

Please remember to show ALL of your work on every problem

1) Simplify the expression: -17 – (-19)

2) Simplify the expression: gif”>

3) Perform the indicated operations and write your answer in lowest terms:

gif”>

4) Multiply the fractions and write your answer in lowest terms:

gif”>

5) Divide the fractions and write your answer in lowest terms:

gif”>

6) Simplify the expression: gif”>

7) Simplify the expression: gif”>

8) Simplify the expression: gif”>

9) Evaluate the expression ifx = -30, y = 25, and z = -10:

gif”>

10) Use the Distributive Property to simplify the following expressions:

1. a) gif”>

2. b) gif”>

3. c) gif”>

4. d) gif”>

5. e) gif”>

End of quiz: please do not forget to write and sign (or type) the required statement explained in the box above Part I of the quiz

Math 009 Quiz 3

Professor: Dr Monique Head

Name________________________________

Instructions:

• The quiz is worth 50 points There are 10 problems, each worth 5 points Your score on the quiz will be converted to a percentage and posted in your Portfolio with comments

• This quiz is open book and open notes, and you may take as long as you like on it provided that you submit the quiz no later than the due date posted in our course schedule of the syllabus You may refer to your textbook, notes, and online classroom materials, but you may not consult anyone

• You should show all of your work to receive full credit If you do not show work, you may earn only partial or no credit at the discretion of the professor

• Please type your work in your copy of the quiz, or if you prefer, create a document containing your work Scanned work is also acceptable Be sure to include your name in the document Review instructions for submitting your quiz in the Quizzes and Exams Conference

• If you have any questions, please contact me by e-mail (head@umucedu”>moniquehead@umucedu)

At the end of your quiz you must include the following dated statement with your name typed in lieu of a signature Without this signed statement you will receive a zero I have completed this quiz myself, working independently and not consulting anyone except the instructor I have neither given nor received help on this quiz

Name: Date:

Please remember to show ALL of your work on every problem

1) Simplify the following expression:

gif”>

2) Solve the following equation and check your answer in the original equation Please show all work INCLUDING the check (if the equation has a unique solution):

gif”>

3) Solve the following equation and check your answer in the original equation Please show all work INCLUDING the check (if the equation has a unique solution):

gif”>

4) Solve the following equation and check your answer in the original equation Please show all work INCLUDING the check (if the equation has a unique solution):

gif”>

5) Solve the following equation and check your answer in the original equation Please show all work INCLUDING the check (if the equation has a unique solution):

gif”>

6) Solve the following equation and check your answer in the original equation Please show all work INCLUDING the check (if the equation has a unique solution):

gif”>

7) Solve the following equation and check your answer in the original equation Please show all work INCLUDING the check (if the equation has a unique solution):

gif”>

8) Solve the following equation and check your answer in the original equation Please show all work INCLUDING the check (if the equation has a unique solution):

gif”>

9) Christine and Peter earn a combined annual income of $145,300 If Christine earns $24,300 per year more than Peter, what are their individual annual salaries?

10) The sum of the measures of the angles in any triangle is 180° Anna has a triangular area in her back yard where she intends to create a garden If the middle angle is three times the smallest and the largest angle is 20° less than six times the smallest, find the measure of each angle

End of quiz: please do not forget to write and sign (or type) the required statement explained in the box above Part I of the quiz

Math 009 Quiz 4

Professor: Dr Monique Head

Name________________________________

Instructions:

• The quiz is worth 50 points There are 10 problems, each worth 5 points Your score on the quiz will be converted to a percentage and posted in your Portfolio with comments

• This quiz is open book and open notes, and you may take as long as you like on it provided that you submit the quiz no later than the due date posted in our course schedule of the syllabus You may refer to your textbook, notes, and online classroom materials, but you may not consult anyone

• You should show all of your work to receive full credit If you do not show work, you may earn only partial or no credit at the discretion of the professor

• Please type your work in your copy of the quiz, or if you prefer, create a document containing your work Scanned work is also acceptable Be sure to include your name in the document Review instructions for submitting your quiz in the Quizzes and Exams Conference

• If you have any questions, please contact me by e-mail (head@umucedu”>moniquehead@umucedu)

At the end of your quiz you must include the following dated statement with your name typed in lieu of a signature Without this signed statement you will receive a zero I have completed this quiz myself, working independently and not consulting anyone except the instructor I have neither given nor received help on this quiz

Name: Date:

Please remember to show ALL of your work on every problem

1) Solve the inequality, write your solution in interval notation, and graph the solution set on a number line: gif”>

gif”>

2) Solve the inequality, write your solution in interval notation, and graph the solution set on a number line: gif”>

gif”>

3) Solve the inequality Write your solution set in interval notation and graph it on a number line

gif”>

gif”>

4) Solve the inequality Write your solution set in interval notation and graph it on a number line

gif”>

gif”>

5) Solve the compound inequality Write your solution set in interval notation and graph it on a number line

gif”>

gif”>

6) Complete the table of values for the linear equation 2x + 3y = 9:

x y

0

3

0

Find another ordered pair, different from the ones above:

-1

gif”>

7) A store advertised that it is offering a 12% discount on all articles purchased at the store If Roberto pays $56056 for an article, what was the marked price for the article?

8) Complete the table of values for the linear equation 3x – y = 5

x y

0

-2

0

4

gif”>

9) Find another ordered pair, different from the ones above (show all work below):

10) Provide a pair of numbers that are in the linear equation 5x – 2y = 3 +6x Show all work and state the pair

End of quiz: please do not forget to write and sign (or type) the required statement explained in the box above Part I of the quiz

Math 009 Quiz 5

Professor: Dr Monique Head

Name________________________________

Instructions:

• The quiz is worth 50 points There are 10 problems, each worth 5 points Your score on the quiz will be converted to a percentage and posted in your Portfolio with comments

• This quiz is open book and open notes, and you may take as long as you like on it provided that you submit the quiz no later than the due date posted in our course schedule of the syllabus You may refer to your textbook, notes, and online classroom materials, but you may not consult anyone

• You should show all of your work to receive full credit If you do not show work, you may earn only partial or no credit at the discretion of the professor

• Please type your work in your copy of the quiz, or if you prefer, create a document containing your work Scanned work is also acceptable Be sure to include your name in the document Review instructions for submitting your quiz in the Quizzes and Exams Conference

• If you have any questions, please contact me by e-mail (head@umucedu”>moniquehead@umucedu)

At the end of your quiz you must include the following dated statement with your name typed in lieu of a signature Without this signed statement you will receive a zero I have completed this quiz myself, working independently and not consulting anyone except the instructor I have neither given nor received help on this quiz

Name: Date:

Please remember to show ALL of your work on every problem

1) State the intercepts of the line with equation 4x – 8y = 32 Both intercepts should be stated as ordered pairs

x-intercept =

y-intercept =

2 & 3) Find the slopes of the lines through the given ordered pairs and state whether each line is vertical, horizontal, or neither:

Ordered pairs Slope Vertical, horizontal or neither?

a) (-2, 3) and (4, 3)

b) (-4, 3) and (6, 2)

3)

a) (-2, 3) and (1, -3)

b) (4, 5) and (4, -3)

4) Determine whether the lines given by the equations below are parallel, perpendicular, or neither Show all work and explain your answer clearly

3x + 5y = 8

5x – 3y = 4

5) Write an equation in point-slope form, gif”>, for the line through the point

(3, -4) parallel to the line with equation gif”>

6) Graph on one set of axes both of the lines from problem #5 You may use the coordinate system below, or create your own

gif”>

7) Find the slope for the following point: P(4,5) and Q(10,8)

8) Give an equation for a parallel line to #7

9) Give an equation for a perpendicular line to #7

10) Write an equation for #7 in standard form

End of quiz: please do not forget to write and sign (or type) the required statement explained in the box above Part I of the quiz

Math 009 Midterm Exam

Professor: Dr Monique Head

Name________________________________

Instructions:

• The exam is worth 75 points There are 15 questions, each worth 5 points

• This exam is open book and open notes, and you may take as long as you like on it provided that you submit the exam no later than the due date posted in our course schedule of the syllabus You may refer to your textbook, notes, and online classroom materials, but you may not consult anyone

• You must show all of your work to receive full credit If a problem does not seem to require work, write a sentence or two to justify your answer

• Please type your work in your copy of the exam, or if you prefer, create a document containing your work Scanned work is also acceptable Be sure to include your name in the document Review instructions for submitting your exam in the Quizzes and Exams Conference

• If you have any questions, please contact me by e-mail (head@umucedu”>moniquehead@umucedu)

At the end of your exam you must include the following dated statement with your name typed in lieu of a signature Without this signed statement you will receive a zero I have completed this exam myself, working independently and not consulting anyone except the instructor I have neither given nor received help on this exam

Name: Date:

1) Simplify the expression: gif”>

2) Simplify the expression: gif”>

3) Evaluate the expression if x = -2, y = 3, and z = -1:

gif”>

4) Evaluate the expression ifgif”>, gif”>, and gif”>:

gif”>

6) Solve the following equation and check your answer in the original equation Please show all work INCLUDING the check (if the equation has a unique solution):

gif”>

7) Solve the following equation and check your answer in the original equation Please show all work INCLUDING the check (if the equation has a unique solution):

gif”>

8) Solve the following equation and check your answer in the original equation Please show all work INCLUDING the check (if the equation has a unique solution):

gif”>

9) Solve the following equation and check your answer in the original equation Please show all work INCLUDING the check (if the equation has a unique solution):

gif”>

10) The highest temperature recorded in Baghdad during the month of July, 2009 was 64º Celsius The lowest temperature recorded during the same month in Baghdad was 21º Celsius If the formula for converting temperatures from degrees Celsius to degrees Fahrenheit is gif”>, what were the high and low temperatures during July in Baghdad in degrees Fahrenheit? (Round to the nearest whole degree)

11) Allison is about to buy a new house Her realtor tells her that the home she is buying has increased in price by 25% since it was last sold If the current price of the home is $230,100, what was the price the last time it sold?

12) Mike wins $92,000 (after taxes) in a sweepstakes and decides to deposit all of it in two accounts One account is a college savings account that guarantees a rate of 59% simple annual interest The other account is a money market fund that does not do as well as Mike had hoped, and only returns a simple annual interest rate of 17% If the two accounts together earn $4588 by the end of the year, how much money did he deposit in each account?

13) Simplify each of the expressions below:

1. a) gif”>

2. b) gif”>

3. c) gif”>

14) Simplify each of the expressions below:

1. a) gif”>-7

2. b) gif”>

15) Tony is about to buy a new car that costs $42,000 How much money should he put down as a down payment so that he can pay the car off in 5 years at an interest rate of 35%? (State any assumptions if you need to make any)

End of exam: please do not forget to write and sign (or type) the required statement explained in the on page 1 of the exam

Math 009 6390 Final Exam, Fall 2016 ID: 20

-1-

Follow order of operations to simplify the following expression:

1) (-8) + (4 – 7) ´ 3 9

Evaluate the expression using the values given for the variables 2) h – (h – j2 4); use h = 5, and j = -10

Simplify the expression 3) 4(8 + 4r) – 10(r – 4)

Simplify the expression and write your answer as a fraction in lowest terms

4)

3 2

– (- 2 3) + 1

Use a proportion to set up and solve the following problem Round your answer to the nearest tenth if necessary 5) A baby elephant that is 36 ft tall casts a shadow that is 148 ft long Find the height of a baby giraffe that casts a 336 ft shadow

1em;”>Set up and solve an equation to answer the question below Round your answer to the nearest tenth of a percent if necessary 6) What percent of 141 is 111?

Find the percentage change Round to the nearest tenth of a percent if necessary and state whether the change is an increase or a decrease 7) From 61 ft to 477 ft

Find the final price of the item below, given that the tax will be applied to the discounted price 8) Original price of shorts: $2299 Discount: 55% Tax: 4%

Use simple interest to find the ending balance, given the following values for principal, rate, and time 9) $52,000 at 128% for 3 years

Solve the equation given in #10 10) 2b – 3 = 9

Sove the equation given in #11 11) 50 = 8(-2 + 3x) – 6(3x – 8)

Solve the equation given in #12

12) –

7 24

=

1 2

v –

5 3

v

Solve the equation given in #13 13) -12n + 306 = -14n + 19n

1em;”>Solve the inequality in #14, write its solution set in interval notation, and graph the solution set on a number line

14) 10 +

p 3

³ 14

Solve the inequality in #15, write its solution set in interval notation, and graph the solution set on a number line 15) -(2 + 2p) > 3(6 + 4p) – 6

Find the slope of the line Assume that the scale on each axis is 1 unit per tick mark 16)

x

y

Find the x- and y-intercepts of the line represented by the equation below Plot both intercepts on a coordinate system and draw the line through them 17) 5x – 2y = -10

Write the slope-intercept form of the equation of the line through the given points 18) through: (3, -4) and (-1, -1)

1em;”>Worksheet by Kuta Software LLC

-4-

Find at least three ordered pairs that satisfy the equation and sketch the graph of the line through them 19) -4x – 3 = -3y

Solve the system of equations by the method of substitution 20) -8x – 2y = -10 y = -3x

Write the point-slope form of the equation of the line described 21) through: (-3, 4), parallel to y = – 9 2 x + 2

Write the slope-intercept form of the equation of the line described 22) through: (-1, -3), perpendicular to y = 3 2 x – 1

Solve the system by graphing both lines on one coordinate system 23) 5x + 3y = -12 2x – 3y = -9

Solve the system of equations by the method of elimination 24) -12x + 8y = 28 6x + 9y = 12

1em;”>25) Stefan and Jose are selling cheesecakes for a school fundraiser Customers can buy pecan cheesecakes and chocolate marble cheesecakes Stefan sold 2 pecan cheesecakes and 5 chocolate marble cheesecakes for a total of $124 Jose sold 9 pecan cheesecakes and 1 chocolate marble cheesecake for a total of $171 What is the cost each of one pecan cheesecake and one chocolate marble cheesecake?

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