Represent Proportional Relationships with Equations

Which of the following is an equation to represent this proportional relationship?

• y=15x

• x=15y

• y=3x

• x=3y

Tags

CCSS.7.RP.A.2C

Use yoga classes as your x and cost as your y. Which equation represents this table?

• y=30x

• y=2x

• y=15x

• y=6x

Tags

CCSS.5.OA.B.3

• A

• B

• C

• D

Tags

CCSS.7.RP.A.2A

The data in the table represents a proportional relationship. What equation would represent this data accurately?

Tags

CCSS.7.RP.A.2C

Does this equation represent a proportional relationship?

• Yes

• No

Tags

CCSS.7.RP.A.2C

Which equation shows a proportional relationship between x and y? (a)  

• y = 3x + 9

• y = 1/2x

• y = 1/2x - 2

• y = x2

Tags

CCSS.7.RP.A.2C

A dolphin travels through the water of a speed of 25 kilometers per hour. Which representation shows the distance a dolphin can travel at this rate? (7.4A)

• 
• 
• 
• 

Tags

CCSS.8.EE.B.5

Maria makes $15 an hour babysitting.  What equation can be used to represent the amount of money she makes per hour?

• y = x + 15

• y = 15x

• y = 15/x

• y = 15 - x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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?

Tags

CCSS.7.RP.A.2C

• A
• B
• C
• D

Tags

CCSS.8.EE.B.5