Direct Variation 8.5E

Direct Variation 8.5E

7th - 9th Grade

9 Qs

quiz-placeholder

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Direct Variation 8.5E

Direct Variation 8.5E

Assessment

Quiz

Mathematics

7th - 9th Grade

Hard

Created by

Kylee Messick

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 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

2.

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

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Trina's paycheck earnings varies directly as the number of hours she works. If she works 19 hours and earns $187.15, what should she earn if she worked 40 hours? 

$394
$440
$472.80
$512.20

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Y varies directly with x, and y is 84 when x is 16. Which equation represents this situation?

y=1344x
y=100x
y=5.25x
y=4/21x

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If y vaires directly with x and y= 12 when x= 15. What is the value of x when y= 16?

12.8
20
11.25
19

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Select all the equations that represent a direct variation:

Media Image
Media Image
Media Image
Media Image

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Y varies inversely with x, and y is 0.5 when x is 4. Which equation represents this situation?

y=2x
y=2/x
y=4x
y=x/2

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Suppose y varies directly as x, and y=21 when x=3. Find x when y=42.

3

21

6

8

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Suppose y varies directly as x, and y=36 when x=4. Find x when y=63.

7

36

4

9