Direct And Inverse Variation Test Review

x and y are in inverse variation

x=6 and y=7

Given y=k/x... Find k

Mathematical Equivalence

ON

Tags

CCSS.HSF.BF.A.1

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.B.5

CCSS.HSF.LE.A.2

Given that y varies inversely with x, if x =7 and y = 4, what is y when x = 2?

• 14
• 10
• 2
• -14

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.SSE.A.1

Does the equation show an inverse variation? 
y=10/x

• yes
• no

Tags

CCSS.HSF-LE.A.1B

If the both quantities are increasing or decreasing then its called as

• Direct Variation

• Inverse Variation

Given that y varies inversely with x, if x =7 and y = 4, what is y when x = 2?

• 14
• 10
• 2
• -14

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

In this type of variation, both x and y are either increasing or both are decreasing (a)  

• indirect
• direct
• neither

Tags

CCSS.HSF-LE.A.1B

In this type of variation, x and y are doing the opposite- when one is increasing, the other is decreasing (a)  

• inverse
• direct
• neither

State what type of variation the equation represents. (a)  

• Direct
• Inverse
• Joint
• None

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

State what type of variation the equation represents.

• Direct

• Inverse

• Joint

• None

Tags

CCSS.HSA.REI.D.10

CCSS.HSA.SSE.A.1

Which of the following represents direct variation? (a)  

• y = kx
• y = k/x
• y = x/k
• y = mx + b

Tags

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2