1.
Solve the equation 2
x
+
y
= 6 for
y
.
A.
y
= -2
x
+ 6
B.
y
= -6 - 2
x
C.
y
= 2
x
+ 6
D.
y
= 2
x
- 6
Hint
2.
Solve the equation
p
=2
q
+ 2
w
for
q
.
A.
B.
q
=
p
-
w
C.
q
=
p
- 2
w
-
q
D.
Hint
3.
The formula
A
=
lw
finds the area of a rectangle. What is the width of a rectangle whose area is 60 square inches and whose length is 5 inches?
A.
55 in.
B.
12.5 in.
C.
25 in.
D.
12 in.
Hint
4.
Solve 2
x
+ 8
y
= 48 for
y
.
A.
B.
C.
y
= -2
x
+ 6
D.
y
= -2
x
+ 48
Hint
5.
Use the formula
P
= 2
l
+ 2
w
to find the length of a rectangle whose perimeter is 57 inches and whose width is 13 inches.
A.
22 inches
B.
31 inches
C.
10.3 inches
D.
15.5 inches
Hint