DIRECT AND INVERSE VARIATION QUIZ

Tell whether x and y show direct variation, inverse variation, or neither.

• direct variation

• inverse variation

• neither

Tell whether x and y show direct variation, inverse variation, or neither.

• direct variation

• inverse variation

• neither

The variables x and y vary inversely, and y = 8 when x = 4.

Write an equation that relates x and y.

• y = 32 x

• y = ³² / _x

• y = 2 x

• y = ² / _x

Tags

CCSS.HSA.CED.A.2

CCSS.HSF.BF.A.1

The time it takes to drive to Dallas is inversely proportional to your driving speed. It takes 3 hours to get to Dallas if you drive 60 mph. How long will the trip take if you drive 72 mph?

• 2.5 hours

• 2.6 hours

• 2.8 hours

• 3.5 hours

• 3.6 hours

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSF.BF.A.1

The time that a group of carpenters takes to build a deck is inversely proportional to the number of carpenters. If 3 carpenters can build a deck in 36 working hours, how many carpenters are needed to build a deck in 27 working hours?

• 2

• 3

• 4

• 5

• 6

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Which equation represents inverse variation?

• y = x + ⅕

• y = (⅕) x + 5

• y = (⅕) x

• y = ⁵ / _x

• y = 5 x

What does the Direct Variation Equation look like?

• y= kx
• y = mx + b
• y = b
• y = x

Tags

CCSS.8.EE.B.6

CCSS.8.F.B.4

When dealing with direct and inverse variation, the K represents what?

• Kangaroo
• K-Mart's Blue Light Special
• Constant
• King Cobra Snake

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.SSE.A.1

CCSS.HSF.BF.A.1

Which of the given graphs is a direct variation?

• A
• B
• C
• D

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.BF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

CCSS.HSS.ID.C.7

What kind of equation is this?
xy=8

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

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSA.SSE.A.1