1.
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.
$207.20
B.
$205.35
C.
$1437.45
D.
$194.25
Hint
2.
A direct variation equation has (-2, 4) and (
n
, -8) as solutions. Find the missing value.
A.
16
B.
1
C.
4
D.
-2
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.
C.
y
= -11
x
D.
y
= 11
x
Hint
4.
Use the direct variation equation
to find
x
when
y
= -34.
A.
x
= 153
B.
x
= -
C.
x
=
D.
x
= -153
Hint
5.
Graph
A.
B.
C.
D.
Hint