WorksheetsDirect and Inverse Variation Review
Total questions: 16
Worksheet time: 15mins
The amount of money earned on a job varies directly 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
121
4
100
6
The outside temperature
and the number of layers of clothes you need to wear outside to feel comfortable
direct variation
inverse variation
The cost c varies directly as the number of n pencils is written as
c = kn
k = cn
n = k/c
c = k/n
The speed r of a moving object varies inversely to the time t travelled is written as
r = kt
r = k/t
t = kr
t = r/k
If y varies directly as x and y = 24, when x = 3, then what is the value of k?
4
6
8
72
Find the value of y when x = 2.
y = 2x
A
B
C
D
An experiment conducted on a container of gas that is kept at a constant temperature: (20, 50) (10, 40)
Direct Variation y = kx
Inverse Variation xy = k
An experiment conducted on a container of gas that is kept at a constant temperature: (20, 50) (10, 90)
Direct Variation y = kx
Inverse Variation xy = k
An experiment conducted on a container of gas that is kept at a constant temperature:
Direct Variation y = kx
Inverse Variation xy = k
An experiment conducted on a container of gas that is kept at a constant temperature:
Direct Variation y = kx
Inverse Variation xy = k
Your grade varies inversely to the amount of time you sleep in class. If your grade is 70 when you sleep 30 minutes, what is grade when you sleep 25 minutes?
Grade: 84%
Grade: 95%
Grade: 86%
Grade: 74%
