1.
If
y
varies inversely as
x
and
y
= 3 when
x
= 3, find
y
when
x
= 4.
A.
3.5
B.
1
C.
2.25
D.
4
Hint
2.
If
p
varies inversely as
q
and
p
= -8 when
q
= 2, find
p
when
q
= -4.
A.
4
B.
-4
C.
-16
D.
16
Hint
3.
If
y
varies jointly as
x
and
z
and
y
= 12 when
x
= 2 and
z
= 3, find
y
when
x
= - 3 and
z
= 0.5.
A.
-18
B.
-3
C.
2
D.
27
Hint
4.
Suppose
p
varies jointly as
r
and
t
. If
p
= 1 when
r
= -5 and
t
= 2, find
t
when
p
= 6 and
r
= 12.
A.
-6.4
B.
-5
C.
-7.2
D.
-5.4
Hint
5.
The amount of work done by James and his relative distance to Samuel is inversely related. When James is 6 feet away from Samuel, he can get 13 assignments done per hour. How many assignments can James get done when he is 52 feet away from Samuel?
A.
59 assignments
B.
24 assignments
C.
112.7 assignments
D.
1.5 assignments
Hint