1.
Solve the equation 2
x
+
y
= 6 for
y
.
A.
y
= 2
x
+ 6
B.
y
= -2
x
+ 6
C.
y
= 2
x
- 6
D.
y
= -6 - 2
x
Hint
2.
Solve the equation 3
x
+
y
= 6 for
x
.
A.
x
= 2 -
y
B.
x
= 5
y
C.
D.
x
= 6 - 3
x
Hint
3.
Solve 5
t
+
u
+
v
= 3 for
t
.
A.
t
= -2 –
u
–
v
B.
t
= 15 –
u
–
v
C.
D.
Hint
4.
Use the formula
A
=
lw
to find the width of a rectangle whose area is 46.875 square meters and whose length is 7.5 meters.
A.
6.25 meters
B.
6.5 meters
C.
6.2 meters
D.
6.35 meters
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.
15.5 inches
C.
10.3 inches
D.
31 inches
Hint