Thinking with Mathematical Models; Inverse Variation

Which equation shows inverse variation?

• y = 3x

• xy = 3

• 3y = x

• x + y = 3

Given the inverse variation model xy = 120, if x = 15, what does y = ?

• 105

• 1,800

• 8

• 135

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.4

CCSS.HSA.REI.A.1

CCSS.HSA.SSE.A.1

Which of the following shows inverse variation?

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• 

Tags

CCSS.8.EE.B.5

Which of the following shows inverse variation?

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• 

Tags

CCSS.HSF.BF.A.1

What is the equation for the relationship shown in the table?

• y = 4x

• xy = 36

• y = x

• y = x + 9

Tags

CCSS.6.EE.C.9

What is the equation for the relationship shown in the graph?

• xy = 240

• y = 60x

• y = x + 118

• xy = 60

Tags

CCSS.8.EE.B.5

Which of the following is NOT a characteristic of inverse variation?

• As one variable increases, the other variable decreases

• It is nonlinear

• The product of the two variables is constant

• As one value increases at a constant rate, the other value decreases at a constant rate.