Unit 3 Test Form B - Retake

by Christine Godfrey

| 21 QuestionsNote from the author:

Ready Math - Expression and Equations

a

1

c

d

2

f

3

h

4

1

1

What is the constant in the following expression?

A

B

C

D

A company sells speakers for $23 each. At the end of the week, they have sold $851 worth of speakers. How many speakers did they sell? Write and solve an equation to find the answer.

2

1

Write an equation to represent the situation. Use the variable x.

3

1

The company sold _____ speakers.

4

2.5

If each equation below was solved for x, for which equation is x = 6 the solution?

Choose all that apply.

A

B

C

D

E

a

b

c

5

e

6

g

7

Donna opens a savings account with an initial balance of $50. She then deposits $25 each month. Use an equation, a table and a graph to explain the relationship between the amount of money in the account, a, and the number of months since Donna opened the account, m.

5

1

Part A)

Use the equation a=25m+50 to explain how the value of a changes as m increases.

6

3

Part B)

Make a table to show the relationship between m and a. Find at least 5 ordered pairs. Given the equation a = 25m + 50.

7

4.5

Use your table from Part B to draw a graph to represent the situation.

a

8

c

d

e

9

g

10

8

1

Which value makes the equation 4x - 5 = 43 true?

A

B

C

D

Brandon wants to practice his trombone for at least 5.5 hours this week.

9

1

Part A

Write an inequality to represent the number of hours Brandon will spend practicing this week. Use the variable x.

10

3

Part B

Graph the solution to your inequality from Part A on the number line below.

a

11

c

d

12

13

14

15

16

j

17

11

2.5

Which expression is equivalent to 45x - 15x?

Choose all that apply.

A

B

C

D

E

Consider the possible solution to each inequality. Choose Yes or No for each question.

12

0.5

Is 8.3 a solution of

Yes

No

13

0.5

Is 6.5 a solution of

Yes

No

14

0.5

IS 7 a solution of

Yes

No

15

0.5

Is 17 a solution of

Yes

No

16

0.5

Is 6 a solution of

Yes

No

17

2

Evaluate:

a

b

c

18

e

19

g

20

i

21

Jen accidently knocks a square framed poster off the wall, breaking the protective glass piece. The glass piece has side length x and she needs to buy a new piece of glass to replace the it.

18

1

Part A

Write a variable expression for the area of the glass piece Jen needs to replace.

19

1

Part B

If the protective glass piece is 25 inches wide, what is the area of the glass piece Jen needs to replace?

20

1

Part C

If Jen has a budget of $150, what is the most she can pay per square inch of glass to replace the glass piece described in Part B?

21

1

Explain your answer to #20. (Use mathematical reasoning.)

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