Direct Variation Review

Direct Variation Review

9th Grade

15 Qs

quiz-placeholder

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Direct Variation Review

Direct Variation Review

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
HSF.LE.B.5, 7.RP.A.2B, 8.EE.B.5

Standards-aligned

Created by

Anthony Clark

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A person’s weekly pay is directly proportional to the number of hours worked. Shawn’s pay is $123.00 for 20 hours of work. Find the amount of pay for 31 hours of work. 

$3813

$620

$190.65

$4.96

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the constant of proportionality (in miles per hour) based on the table?

45

90

135

2

Tags

CCSS.7.RP.A.2B

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

y varies directly as x ,If y = 8, when x = 4, find y when x = 48.

88

24

48

96

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

y varies directly as x ,If y = 9, when x = -3, find x when y = -27.

9

-9

27

-27

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

y varies directly as x ,If y = 22, when x = -11, find x when y = 88.

-22

22

-44

44

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The gas pressure in a chamber varies directly with the temperature in the chamber. If the pressure in the chamber is 150 atmospheres (atm) when the chamber is at 50 degrees, what is the pressure in the chamber when the temperature of the chamber is 75 degrees? 

175 atm

200 atm

225 atm

275 atm

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The number of words Maria typed varied directly with the amount of time she spent typing. If she typed 275 words in 5 minutes, how long would it take her to type 1,100 words?

220 minutes

20 minutes

15 minutes

4 minutes 

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