Direct Proportion Applications

Direct Proportion Applications

8th Grade

19 Qs

quiz-placeholder

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Direct Proportion Applications

Direct Proportion Applications

Assessment

Quiz

Mathematics

8th Grade

Hard

CCSS
MATH.CONTENT.7.RP.A.2.a

Standards-aligned

Created by

Anthony Clark

FREE Resource

19 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Y varies directly as x. If y = 12 when x = 15, what is y when x = 20?

4/5

17

16

25

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

n varies directly with c. If c = 24 when n = 18, what is c when n = 22?

88/3

28

66/4

24

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which equation exhibits a direct proportion?

y = 5x - 2

y = 3/4 x

y - x = 4

x = 6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the value of k in the following equation? y = 2/7 x

4

-4

2/7

7

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

You can buy 4 tickets for $75 or 5 tickets for $94. Are the costs proportional?

yes

no

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Two quantities are proportional if :

numerator x numerator = denominator x denominator

unit rates are the same

one quantity is bigger than the other

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How do you know whether two quantities x and y are proportional?

Every sum x + y is the same for related pairs of x and y.

Every x term is a multiple of the previous term.

Every difference xy is the same for related pairs of x and y.

Answer explanation

Proportional relationships are equivalent ratios.

Tags

CCSS.MATH.CONTENT.7.RP.A.2.a

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