Unit 2 Exam Review

Assume the variable x represents a positive number. Which of the following would have a negative product? Select TWO correct answers.

• (–x)(–x)

• (–x)(–x)(–x)

• –(–x)

• (–x)(–x)(–x)(–x)

• –x

Tags

CCSS.7.NS.A.2A

A diver descends at a rate of –6 2/5 feet per minute. How many feet will the diver’s elevation change in 4 1/2 minutes?

• –26 1/9 ft

• –28 4/5 ft

• –29 1/5 ft

• –30 3/10 ft

Tags

CCSS.7.NS.A.2A

Each rabbit at a shelter eats 2/3 cup of food each day. If there are 22 cups of food, how many rabbits can be fed?

• 30

• 33

• 27

• 32

A gym membership decreases a customer’s account by $45.50 every month for 9 months. What is the total change?

• –$364.50

• –$409.50

• –$455.00

• –$520.50

Tags

CCSS.7.EE.B.3

Simplify: –12 + 3 ∙ –4 – (–15)

• -9

• -3

• 6

• 15

Tags

CCSS.7.NS.A.3

Jordan gave the cashier $20 to pay for 3 identical notebooks. The cashier gave Jordan $5.40 in change. Each notebook cost the same amount. What is the cost of one notebook?

• $4.60

• $4.75

• $4.87

• $5.00

Tags

CCSS.7.EE.B.3

• –9

• 9

• –8

• 8

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

A runner jogs 2 1/2 miles every day for 6 days and then 3 3/4 miles every day for 4 days. What is the total distance he runs?

• 30 mi

• 29 1/2 mi

• 28 3/4 mi

• 31 1/4 mi

Tags

CCSS.7.NS.A.3

Last weekend Chris mowed lawns for 4.25 hours on Saturday and 5.5 hours on Sunday. He earns $9.25 per hour. How much did he earn in total?

• $86.75

• $88.50

• $89.75

• $90.19

Tags

CCSS.7.EE.B.3

Which product is negative?

• (–7)(–8)

• (–7)(8)

• 7(8)

• (–7)(–8)(–2)(-6)

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B