Cumulative #2 Review

Add or subtract linear expressions.

(5x + 3) - (2x - 5)

• 3x + 8

• 3x - 2

• 7x + 8

• 7x - 2

Tags

CCSS.HSA.APR.A.1

The local service center advertises that it charges a flat fee of $50 plus $8 per mile to tow a vehicle. Write an equation that represents the total cost (C) of a service for m miles of towing.

• y = 8x + 50

• C = 50m +8

• y = 50x + 8

• C = 8m + 50

Tags

CCSS.HSF-BF.A.1A

Mrs. Ciampa had 27 students in her class last year and this year she had 30 students in her math class. What is the percent of change?

• 24%
• 20%
• 11%
• 50%

Tags

CCSS.6.RP.A.3C

Solve 8 + 4x > 24

• x > 4
• x > 8
• x > 64
• x < 8

Tags

CCSS.7.EE.B.4B

In the equation y = 14x, what is the constant of proportionality?

• y
• x
• 14
• 1/14

Tags

CCSS.7.RP.A.2B

Identify the constant of proportionality.

• k = 2x

• k = 2

• k = 4

• none (not proportional)

Tags

CCSS.7.RP.A.2B

Is the given table a proportional relationship? If so, what is the constant?

• Yes; 1/3
• Yes; 3
• Yes; 5
• No

Tags

CCSS.7.RP.A.2B

Evaluate the expression x² - x; x = 6

• 30

• 6

• 42

• 12

Tags

CCSS.6.EE.A.2C

Do I need to flip my sign?
-3x  ≥ 12

• Yes
• No

Tags

CCSS.6.EE.B.8

16 - 4a > 8

• a<-2
• a>-2
• a<2
• a>2

Tags

CCSS.7.EE.B.4B