1.
If
y
varies directly as
x
and
y
= 35 when
x
= 5, find
y
when
x
= 11.
A.
B.
41
C.
7
D.
77
Hint
2.
If
y
varies directly as
x
and
y
= 21 when
x
= 5, find
x
when
y
= 42.
A.
5
B.
21
C.
4.2
D.
10
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
=
B.
x
= -153
C.
x
= -
D.
x
= 153
Hint
5.
Graph
A.
B.
C.
D.
Hint