
Direct and Inverse Variation Problems
Authored by Grace Lupold
Mathematics
10th Grade
Used 4+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
If y varies inversely as x, and y =8 when x=5, find y when x = 4.
8
5
10
12
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
If y varies directly as x, and y = 6 when x = 15, find y when x = 2
4/5
3
3/2
4
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
If y varies directly as x, and y = 4 when x =6, find y when x = 5.
6/5
3/4
5/2
10/3
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
If y varies directly as x3, and y = 3 when x = 2, find x when y = 24
2
3
4
5
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
e varies jointly as f and g, and e = 24 when f = 3 and g = 2. Find the constant of variation (k)
1
2
3
4
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The electrical current, in amperes, in a circuit varies directly as the voltage. When 15 volts are applied, the current is 5 amperes. What is the current when 18 volts are applied?
19
21
23
25
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The volume of a cone varies jointly as its height, and the square of its radius. If a cone with a height of 8 centimeters and a radius of 2 centimeters has a volume of 33.5 cm3 , what is the volume of a cone with a height of 6 centimeters and a radius of 4 centimeters?
50
100.5
120.2
95
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