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Inverse Variation Equations

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Inverse Variation Equations
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

14

10

2

-14

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

yes

no

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which equation represents an inverse variation?

y=2

y=2x

y=2x+2

y=2/x

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The frequency of a vibrating guitar string varies inversely as its length. Suppose a guitar string 0.65 meters long vibrates 4.3 times per second. What frequency would a string 0.5 meters long have?

13.2 times per sec

5.59 times per sec

1.39 times per sec

5 times per sec

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Write the statement in the form of an equation. Use k as the constant of variation. (Use / for fraction bar, no space)

z varies inversely with w

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Assume y varies inversely with x. What is the equation that best represents the relationship?

y = 12/x

y = 1/2x

y = 6x

y = -20/x

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following represents inverse variation?

y = kx

y = k/x

y = x/k

y = mx + b

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