Direct/Inverse Word Problems

If y = 15 when x = 12 find y when x = 32.

• 40
• -40
• 5
• -5

Tags

CCSS.6.EE.C.9

 Y varies inversely with x, and y is 0.5 when x is 4. Which equation represents this situation?

• y=2x
• y=2/x
• y=4x
• y=x/2

Tags

CCSS.HSA.CED.A.2

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.2

Determine the type of variation:

• Direct
• Inverse
• Neither

Tags

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

True or False:
An inverse variation is always a curve and a direct variation is always a line?

• True
• False

Tags

CCSS.HSA.REI.D.10

• direct variation
• inverse variation
• neither direct nor inverse variation

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

• direct variation
• inverse variation
• neither direct nor inverse variation

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSF.LE.A.2

y varies directly as x, if y=4 when x=3, find x when y=-12

• -16
• 16
• -9
• 9

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.2

y varies directly as x. If y=20 when x=4, find the constant of proportionality. 

• k=4
• k=1/4
• k=1/5
• k=5

What kind of equation is this?
xy=8

• Linear Equation
• Direct Variation
• Inverse Variation
• Joint Variation

Tags

CCSS.HSA.REI.D.10

Which of the given graphs is a direct variation?

• A
• B
• C
• D

Tags

CCSS.8.EE.B.5