1.
Name the coefficient of
xy
2
.
A.
1
B.
0
C.
x
D.
y
Hint
2.
Simplify 3
x
2
y
+ 2
x
y
2
+ 5
x
2
y
+ 3
y
2
.
A.
8
x
2
y
+ 2
x
y
2
+ 3
y
2
B.
8
x
4
y
2
+5
y
3
C.
13
x
5
y
6
D.
8
x
2
y
+ 5
xy
2
Hint
3.
Simplify 2
a
4
+ 4
a
2
+
a
4
.
A.
7
a
10
B.
3
a
4
+ 4
a
2
C.
2
a
4
+ 4
a
2
+
a
4
D.
3
a
8
+ 4
a
2
Hint
4.
The formula for the perimeter of a rectangle is
, where
is the length of the rectangle and
w
is the width. If a rectangle is 17 ft long and 8 ft wide, what is its perimeter?
A.
42 ft
B.
25 ft
C.
50 ft
D.
68 ft
Hint
5.
Simplify
m
– 4
n
+ 8
m
.
A.
–4
m
– 4
n
B.
–4
n
– 4
m
C.
5
m
D.
9
m
– 4
n
Hint