Direct Variation

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

Does the following table represent direct variation?

• Yes

• No

Tags

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.1

Does the following table represent direct variation?

• Yes

• No

Tags

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.2

CCSS.8.SP.A.2

The value of y varies directly with x. If x = 195 when y = 15, what is the value of x when y = 9?

• y = 1.44

• y = 117

• y = 12

• y = 135

Tags

CCSS.7.RP.A.2B

The number of pages that Hayden can read varies directly with the time spent reading.

If he reads 12 pages in 4 minutes, how many pages can he read in 17 minutes?

• 51 pages

• 47 pages

• 60 pages

• 75 pages

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Write an equation for this relationship.

• y = 4x
• y = 1/8x
• y = 1/4x
• y = 8x

Tags

CCSS.5.OA.B.3

The amount of money earned on a job is directly proportional to the number of hours worked.  If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?

• $2
• $308
• $1.57
• $265

Tags

CCSS.6.RP.A.3C

1. The table shows values x and y in a direct proportional relationship.

What will be the value of y when x is 20?

• 35

• 70

• 140

• 210

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

• 26
• 3
• 58.5
• 2

Tags

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.F.A.1

CCSS.8.EE.C.7