Directly and Inversely Proportional Equations

Directly and Inversely Proportional Equations

8th Grade

25 Qs

quiz-placeholder

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Directly and Inversely Proportional Equations

Directly and Inversely Proportional Equations

Assessment

Quiz

Mathematics

8th Grade

Hard

CCSS
7.RP.A.3, 7.RP.A.2A, 6.EE.B.7

+1

Standards-aligned

Created by

Barbara White

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What type of proportion does the table represent?

Direct

Inverse

I dont' know

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

35

5

15

23

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The amount of money earned on a job is directly proportional to the number of hours worked.  If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?
$2
$308
$1.57
$265

Tags

CCSS.7.RP.A.3

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What type of variation does this scenario represent?
The length of time you charge your cell phone
and the battery power 
direct variation
inverse variation
joint variation
none of these

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The number of hours to paint a house varies inversely with the number of painters working. A 2400-square foot house can be painted in 27 hours by 6 painters. How many painters would need to work in order to paint the house in 18 hours?
8 painters
10 painters
9 painters
11 painters

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What type of variation does this scenario represent?
The outside temperature
and the number of layers of clothes you need to wear outside to feel comfortable 
direct variation
inverse variation
joint variation
none of these

7.

MULTIPLE CHOICE QUESTION

30 sec • 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
72
36
2

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