1.
If
y
varies inversely as
x
and
y
= 15 when
x
= 3, find
y
when
x
= 9.
A.
45
B.
15
C.
5
D.
3
Hint
2.
Which of the following is not an example of inverse variation?
A.
the number of computers a company gives if it has enough computers to give 24 people 1 computer, or 12 people two computers
B.
the number of running plays a football team can run if they elect to use 2 running backs for 8 plays each, or 1 running back for 16 plays
C.
the distance covered if several different people drive 200 miles to the game at variable speeds
D.
the number of samples a store can give away if they give 1 free sample to each of 300 people, or decide to give 2 samples to 300 people
Hint
3.
If
y
varies inversely as
x
and
y
= 14 when
x
= 3, what is
x
when
y
= 84?
A.
6
B.
28
C.
D.
2
Hint
4.
If
y
varies inversely as
and
y
= 15 when
x
= 3, find
y
when
x
= 5.
A.
27
B.
C.
D.
Hint
5.
If
y
varies inversely as
and
y
= 4 when
x
= 6, find
y
when
x
= 8.
A.
9
B.
C.
D.
Hint