Direct Variation Quiz Review

What is k, the constant of variation?

• 15

• 40

• 54

• 35

Tags

CCSS.HSF-LE.A.1B

k=

• y intercept

• origin

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

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

• 26
• 3
• 58.5
• 2

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

A dishwasher uses 65 gallons of water to wash 5 loads of dishes. What is the constant of variation?

• k = 13
• k = 65
• k = 5
• k = 1/13

Tags

CCSS.HSF-LE.A.1B

If y vaires directly with x and y= 12 when x= 15. What is the value of x when y= 16?

• 12.8
• 20
• 11.25
• 19

Is this graph proportional?

• Yes because it is a straight line and goes through the origin

• No because it is not a straight line but goes through the origin

• No because it is not a straight line and does not go through the origin

• No because it is a straight line but does not go through the origin

Tags

CCSS.8.EE.B.5

Is the graph proportional or non proportional?

• proportional because it is a straight line and goes through the origin

• non proportional because it is not a straight line but goes through origin

• non proportional because it does not go through the origin but is a straight line

• non proportional because it does not go through the origin and is not a straight line

Tags

CCSS.7.RP.A.2D

Is the relationship in the table a direct variation?

• Yes

• No

Tags

CCSS.8.EE.B.5

CCSS.8.F.B.4

CCSS.8.F.A.2

Does the given graph show a direct variation?

• Yes

• No

Tags

CCSS.8.EE.B.5

CCSS.8.F.B.4