
Inverse Proportion
Authored by Cyrus Cruz
Mathematics
8th Grade
CCSS covered
Used 34+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
If y is inversely proportional to x and y=2 when x=6, find y when x=15.
0.8
1.5
3
5
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
If x is inversely proportional to y and x=10 when y=4, find the value of x when y=0.4.
100
75
50
25
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
t is inversely proportional to v
t=2 when v=6
Find the equation for t and v
t = 12/v
t = 1/3 v
t = 3/v
t = 12v
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
If z is inversely proportional to ∛w and z=5 when w=8,
find the value of w when z=100.
1
0.1
0.01
0.001
5.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
48 men were deployed to construct a bridge in 30 days.
How many days does it take for 8 men to construct the same bridge?
5
10
180
200
Tags
CCSS.6.RP.A.3B
6.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
48 men were deployed to construct a bridge in 30 days.
How many days does it take for 16 men to construct 2 identical bridges?
150
160
180
190
Tags
CCSS.6.RP.A.3B
7.
MULTIPLE CHOICE QUESTION
5 mins • 3 pts
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?
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