Variation Functions

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

• 26
• 3
• 58.5
• 2

Tags

CCSS.HSF-LE.A.1B

Suppose y varies directly with x when y=6 and x=18. What is y when x=72?

• 20

• 18

• 24

• 50

Tags

CCSS.7.RP.A.2

Suppose y varies directly with x when y=6 and x=18. What is y when x=72?

• 20

• 18

• 24

• 50

Suppose y varies directly with x when y=2 and x=5. What is y when x=35?

• 20

• 10

• 14

• 18

Suppose y varies inversely with x. If y=16 when x=4, what is y when x=3?

• 21.3

• 12

• 15

• 3

Suppose y varies inversely with x. If y=3 when x=5, what is x when y=2.5?

• 10

• 6

• 7

• 15

Suppose y varies jointly with x and z, and y=24 when x=2 and z=1. Find y when x=12 and z=2.

• 288

• 48

• 24

• 144

Suppose y varies directly with x, and y=8 when x=2. Find x when y=24

• 6

• 196

• 12

• 48

If y varies directly as x and y=132 when x=11, find x when y=396.

• 33

• 22

• 4752

• 3.667

If y varies jointly as x and z, and y=60 when x=3 and z=4, find y when x=6 and z=8.

• 240

• 120

• 480

• 60