Practice Quiz on Direct and Partial Variation

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

• y=32x
• y=16x
• y=2x
• y=(1/2)x

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

Is this a direct variation?

• yes
• no

Is this a direct variation?

• yes
• no

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

• (0, 0)
• (1, 0)
• (0, 1)
• (1, 1)

Which of the given graphs is a direct variation?

• A
• B
• C
• D

Does the following represents direct variation?

• Yes

• No

Does the following represents direct variation?

• Yes

• No

Select all the equations that represent a direct variation:

• 
• 
• 
• 

Does the following table represent direct variation?

• Yes

• No