Inverse Variation

Inverse Variation

10th - 11th Grade

8 Qs

quiz-placeholder

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Inverse Variation

Inverse Variation

Assessment

Quiz

Mathematics

10th - 11th Grade

Easy

CCSS
7.RP.A.2, HSF-LE.A.1B, 7.RP.A.3

+4

Standards-aligned

Created by

Yesenia Reyes

Used 6+ times

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The number of kilograms of water in a person’s body varies directly as the person’s mass.  A person with a mass of 90 kg contains 60 kg of water.  How many kilograms of water are in a person whose mass is 75 kg?

50 kg water
72 kg water
94 kg water
150 kg water

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

2.

MULTIPLE CHOICE QUESTION

1 min • 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

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

CCSS.7.RP.A.2

CCSS.7.RP.A.3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The time it takes to fly from Los Angeles to New York varies inversely as the speed of the plane. If the trip takes 6 hours at 900 km/h, how long would it take at 800 km/h?

5.33 hours 
6.75 hours 
12 hours 
10 hours 

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

CCSS.7.RP.A.2

CCSS.7.RP.A.3

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The cost per person to rent a mountain cabin is inversely proportional (varies inversely) to the number of people who share the rent. If the cost is $36 per person when 5 people share, what is the cost per person when 8 people share?

$22.50
$57.60
$1.11
$12.50

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.2

CCSS.7.NS.A.3

CCSS.7.RP.A.2

CCSS.7.RP.A.3

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Y is directly proportional to the square of z and inversely proportional to w and x

y=kz2/wx
y=kz/wx
y=wx/kx2
y=wx/kz

6.

MULTIPLE CHOICE QUESTION

45 sec • 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
$443.25
$472.80
$512.20

Tags

CCSS.HSF-LE.A.1B

7.

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

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.2

CCSS.7.RP.A.3

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