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.HSF-LE.A.1B

If y =4 when x = -4, find y when x =7.

• y= x, 7
• y= -x; 7
• y = -x; -7
• y= x; -7

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

If y varies directly with x, and y = 21 when x = -7, what is y when x = 42?

• -126

• 14

• -14

• 126

If y varies directly with x, and y = 26 when x = -1, what is x when y = -78?

• 2028

• -2028

• 3

• -3

If y varies directly with x, and y = 16 when x = 32, what is y when x = -60?

• -30

• -120

• 30

• 120

If y varies directly with x, and y = 8 when x = -4, what is x when y = -48?

• -96

• 24

• 96

• -24

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.2

If y varies directly with x, and y =  $\sqrt{9}$    when x =  $\sqrt{81}$  , what is x when y =  $\sqrt{144}$  ?

• 4

• 36

• -4

• -36

If y varies directly with x, and y = 22 when x = -11, what is y when x = 24?

• -48

• -12

• 48

• 12

If y varies directly with x, and y = -40 when x = -4, what is y when x = -12?

• -120

• 1.10

• -1.10

• 120

If y varies directly with x, and y = 36 when x = -8, what is y when x = -96?

• 21.33

• -432

• 432

• -21.33

Tags

CCSS.7.RP.A.2B