Proportional Relationships Review

Jeremy can row  $\frac{3}{8}$  of a mile in  $\frac{1}{4}$  of an hour.  What is the unit rate that describes the miles per hour?

•  $\frac{3}{2}$  miles per hour

•  $\frac{3}{4}$  miles per hour

•  $\frac{3}{2}$ hours per mile

•  $\frac{3}{4}$  hours per mile

Tags

CCSS.7.RP.A.1

An app developer projects that he will earn $230.00 for every 100 apps downloaded. Which of the following equations can be used to represent the proportional relationship between the number of apps, x, and the total earnings, y.

• $y=100x+230$

• $y=230x+100$

• $x=2.30y$

• $y=2.30x$

Tags

CCSS.7.RP.A.2C

Write an equation for this relationship.

• y=1/5x
• y=1/2x
• y=2x
• y=5x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which line shows a proportional relationship between x and y?

• Line L
• Line M

Tags

CCSS.7.RP.A.2D

What is the unit rate in this proportional relationship?

• 60 miles/1 hour
• 120 miles/ 2 hours
• 1 mile/ 1 hour

Tags

CCSS.7.RP.A.2B

Which statement best describes the relationship between x and y in the table?

• Proportional
• Not Proportional

Tags

CCSS.7.RP.A.2A

The cost of 4 pounds of grapes is $24.36. What is the constant of proportionality the relates cost in dollars, y, to the number of pounds of grapes, x?

• 6.09
• 20.36
• 8.12
• 28.36

Tags

CCSS.7.RP.A.2B

Does this graph represent a proportional relationship?  

• No, because it doesn't pass through the origin.
• Yes, because it doesn't pass through the origin.
• Yes, because it intersects the y axis.
• No, because it intersects the x axis.

Tags

CCSS.7.RP.A.2D

Is the graph proportional or non proportional?

• proportional
• non proportional

Tags

CCSS.8.EE.B.5

Josh bought a pizza with eight slices of pizza for $12. What is the cost of a slice of pizza?

• $12
• $1.50
• $3
• $1

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2