Direct Variation

In a direct variation, y = 39 when x = 3. 
Find the value of y when x = 2.

• 26
• 3
• 58.5
• 2

Tags

CCSS.7.RP.A.2B

The value of y varies directly with x.  Which function represents the relationship between x and y if y = 14 when x = 6. 

• y=20x
• y=84x
• y=7/3x
• y=3/7x

Tags

CCSS.7.RP.A.2C

Which of the given graphs is a direct variation?

• A
• B
• C
• D

Tags

CCSS.7.RP.A.2D

y varies directly with x. When y is 16, x is 32. Which equation represents this situation?

• y = 32x
• y = 16x
• y = 2x
• y = (1/2)x

Tags

CCSS.7.RP.A.2C

What ordered pair does a direct variation always go through when graphed?

• (0, 0)
• (1, 0)
• (0, 1)
• (1, 1)

Tags

CCSS.7.RP.A.2D

Trina's paycheck earnings varies directly as the number of hours she works. If she works 19 hours and earns $187.15, what should she earn if she worked 40 hours? 

• $394
• $440
• $472.80
• $512.20

Tags

CCSS.7.EE.B.3

y varies directly with x. If y = 20 and x = 5, what is the constant of proportionality?

• 20

• 5

• 4

• 1/4

Tags

CCSS.7.RP.A.2B

y varies directly with x. If y = 2 and x = 6, what is the constant of proportionality?

• 2

• 6

• 3

• 1/3

Tags

CCSS.7.RP.A.2B

Does the following represents direct variation?

• Yes

• No

Tags

CCSS.7.RP.A.2D

Select all the equations that represent a direct variation:

• 
• 
• 
• 

Tags

CCSS.7.RP.A.2C