1.
If
y
varies directly as
x
and
y
= 35 when
x
= 5, find
y
when
x
= 11.
A.
41
B.
7
C.
D.
77
Hint
2.
Jim's wages vary directly as the numbers of hours he works. For 7 hours, he makes $38.85. How much will he make in 37 hours?
A.
$194.25
B.
$207.20
C.
$205.35
D.
$1437.45
Hint
3.
Suppose
y
varies directly as
x
, and
y
= -319 when
x
= 29. Write a direct variation equation that relates
x
and
y
.
A.
B.
y
= -11
x
C.
y
= 11
x
D.
Hint
4.
Use the direct variation equation
y
= 22
x
to find
x
when
y
= 88.
A.
B.
x
= -4
C.
D.
x
= 4
Hint
5.
Graph
A.
B.
C.
D.
Hint