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.7.EE.B.3

CCSS.7.EE.B.4

x and y vary inversely. Given (5, 20), what is the constant k?

• 4
• 5
• 25
• 100

Tags

TEKS.MATH.2A.6L

TEKS.MATH.A.2D

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

• yes
• no

Tags

CCSS.HSF-LE.A.1B

What kind of variation does this equation show?
y = 6x

• Inverse Variation
• Direct Variation
• No Variation
• Joint Variation

Tags

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Given the following equation, identify the constant k.
y = 54/x

• There is one.
• k = x
• 54
• y = k

Tags

CCSS.HSF-LE.A.1B

Given (32, 15) and (12, y). Find the constant k, and then find the missing y value.

• 40
• 48
• -40
• -48

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.C.6

What kind of variation is shown in this graph?

• Inverse
• Direct

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

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 variation is shown in the graph?

• Direct
• Inverse

Tags

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which of the following represents direct variation?

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

Tags

CCSS.HSF.BF.A.1

Which of the following represents indirect variation?

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

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.CED.A.1

CCSS.HSA.APR.D.7

CCSS.HSA.SSE.A.1