1.
If
y
varies inversely as
x
and
y
= 15 when
x
= 3, find
y
when
x
= 9.
A.
3
B.
15
C.
45
D.
5
Hint
2.
Coach Rodney has just enough money that he can buy 11 football uniforms for $80 each. But if he decides to instead coach baseball, those uniforms cost $120 each. What is the maximum amount of uniforms that he would be able to buy, assuming he stays within his budget?
A.
17 uniforms
B.
8 uniforms
C.
7 uniforms
D.
16 uniforms
Hint
3.
What is the constant of variation if
y
varies inversely as
x
, and
x
= 4.3 when
y
= 2.15?
A.
0.108
B.
C.
2
D.
9.245
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.
B.
9
C.
D.
Hint