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direct and indirect variations

Authored by Kevin Ganey

Mathematics

9th Grade

CCSS covered

Used 40+ times

direct and indirect variations
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6 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

In a direct variation, y = 39 when x = 3. 
Find the value of y when x = 2.

26
3
58.5
2

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.2

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Is the given table a direct variation? If so, what is the constant of proportionality?

Yes; 1/4
Yes; 4
Yes; 1/2
No

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 y varies directly with x, and y is 16 when x is 32. Which equation represents this situation?

y=32x
y=16x
y=2x
y=(1/2)x

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.2

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If y varies inversely as x and x=5 when y=20, then what is the constant of variation, k? 

121
4
100
6

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Suppose y varies inversely with x.
If y = 150 when x = 2, find y when x = 25.

300
75
1,875
12

Tags

CCSS.7.EE.B.4

CCSS.7.EE.B.3

CCSS.7.NS.A.2

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Is the given table a direct or inverse variation? What is the constant of variation?

Direct, 12
Inverse, 12
Direct, 1/12
Inverse, 1/12

Tags

CCSS.8.F.A.1

CCSS.8.F.A.2

CCSS.8.F.A.3

CCSS.8.F.B.4

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