Inverse Variation vs Linear Equations

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

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

Does the table show an inverse variation?

• Yes
• No

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

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

• y = 40

• y = 48

• y = -40

• y = -48

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

• There is one.
• k = x
• 54
• y = k

Tags

CCSS.7.EE.A.2

CCSS.7.EE.B.4

CCSS.7.RP.A.2

What kind of line does this equation represent?

y = 6x

• Inverse Variation

• Linear

• Non-linear

• Quadratic

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

• yes
• no

Tags

CCSS.HSF.BF.A.1

CCSS.HSF.BF.B.4

CCSS.HSF.IF.A.1

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

• 4
• 5
• 25
• 100

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

Which of the following are true for INVERSE variation? Select all that apply.

• y = kx

• y = k / _x

• k = ^y / _x

• k = xy

• y = x / k

Tell whether x and y show an inverse variation, linear relationship, or neither.

• linear relationship

• inverse variation

• neither