Identifying Proportional Relationships in Written Descriptions

Does the following graph represent a proportional relationship?

• No, because it does not start at the origin.

• No, because it is not a straight line.

• Yes, because it starts at the origin.

• Yes, because it is a straight line.

Tags

CCSS.7.RP.A.2D

Does the equation g=1/4w represent a proportional relationship? If so, identify the constant of proportionality.

• Proportional; k=1/4

• Proportional; k=4

• Not Proportional

Tags

CCSS.7.RP.A.2B

Does the following table represent a proportional relationship? If so, identify the constant of proportionality and create an equation to represent it.

• Proportional; k=8; y=8x

• Not Proportional

• Proportional; k = -8; y=-8x

• Proportional; k=1/8; y=1/8x

Tags

CCSS.7.RP.A.2B

This is a table with a proportional relationship between A and B.  Find the missing value of B. 

• 33

• 44

• 32

• 48

Tags

CCSS.7.RP.A.2B

Which of the following graphs does not represent a proportional relationship?

• Graph A

• Graph B

• Graph C

• Graph D

Tags

CCSS.7.RP.A.2D

What is the constant of proportionality?

• k = 15 gallons of water per minute

• k = 1/15 gallons of water per minute

• k = 15 minutes per gallon of water

• k = 1/15 minute per gallons of water

Tags

CCSS.7.RP.A.2B

The number of trees and the number of apples are given in the table above.  Determine which statement below is correct.

• The table is not proportional because there is not a constant of proportionality.

• The table is proportional and the constant of proportionality is 1/13.

• The table is proportional and the constant of proportionality is 13.

Tags

CCSS.7.RP.A.2B

Determine the constant of proportionality for the following graph and create an equation to represent the proportional relationship.

• k = 60 miles per hour; m=60h

• k = 1/60 miles per hour; m=1/60h

• k = 60 hours per mile; h=60m

• k = 60 miles per hour; h=60m

Tags

CCSS.7.RP.A.2B

Create an equation to represent the proportional relationship in the following table.

• b=3a

• y=3x

• y=1/3x

• There is no equation because the table is not proportional.

Tags

CCSS.7.RP.A.2C

What equation is ALWAYS used to determine proportional relationships?

• x=ky

• y=kx

• y=k

• y=x

Tags

CCSS.7.RP.A.2C