Chapter One Review

Which is a unit rate?

• 150 miles per 2 hours

• $21 for 3 belts

• 75 sit ups per minute

• $.25 per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which is NOT proportional?

• 2/7 = 10/35

• 1/12 = 2/20

• 10/12 = 5/6

• 25/35 = 5/7

Tags

CCSS.7.RP.A.2A

Is this table proportional?

• Yes

• No

Tags

CCSS.7.RP.A.2B

What is the unit rate for this graph?

• $27.50 per 5 hours

• $55.00 per 10 hours

• $5.00 per hour

• $5.50 per hour

Tags

CCSS.7.RP.A.2D

Sam was able to build 5 dog houses in 4 days, how many houses did he finish in 12 days?

• 10 dog houses

• 15 dog houses

• 12 dog houses

• 5 dog houses

Tags

CCSS.6.RP.A.3B

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

Tags

CCSS.7.RP.A.2B

Do the ratios form a proportion?

• Yes, they form a proportion.
• No, they do not form a proportion.

Tags

CCSS.7.RP.A.2A

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

• y

• x

• 14

• 1/14

Tags

CCSS.7.RP.A.2B

A boy painted 2/3 of a barn using 1/5 of a can of paint.  How many barns can he paint using one can of paint?

• 3 and 1/3 barns
• 2/15 barns
• 3 barns
• 15/2 barns

Tags

CCSS.7.RP.A.1

If y varies directly as x and the constant of variation is -5, which equation represents this relationship?

• y =1/5x

• y = -5x

• y = -5

• y = x - 5