Direct And Inverse Variation Class 8

Direct And Inverse Variation Class 8

8th Grade

40 Qs

quiz-placeholder

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Direct And Inverse Variation Class 8

Direct And Inverse Variation Class 8

Assessment

Quiz

Mathematics

8th Grade

Medium

Created by

Amit Tripathi

Used 4+ times

FREE Resource

40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What type of proportion does this scenario represent?

The length of time you charge your cell phone

and the battery power

Direct Proportion

inverse Proportion

Joint Proportion

None of these

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

g is directly proportional to b

Given g=20 when b=4.


Find g when b=7

25

35

30

23

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The width of a rectangle varies inversely with its length. if the width is 4 when the length is 18, find the width when the length is 8.

9

36

72

81

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

.The number of pencils sold varies directly as the cost. If 5 pencils cost $0.45, find the cost of 7 pencils.

Direct

Inverse

Both

None

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

. What does the Direct Variation Equation look like?

Y= kx

y = mx + b

y=x

y=b

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A dishwasher uses 65 gallons of water to wash 5 loads of dishes. What is the constant of proportion?

13

65

5

45

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

11.25

19

20

12.5

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