1.
Find –8
x
3
y
2
(3
xy
4
– 2
x
5
–
y
).
A.
–24
x
4
y
6
- 16
x
8
y
2
+ 8
x
3
y
3
B.
–5
x
4
y
6
- 10
x
8
y
2
- 9
x
3
y
3
C.
–24
x
4
y
6
+ 16
x
15
y
2
+ 8
x
3
y
3
D.
–24
x
4
y
6
+ 16
x
8
y
2
+ 8
x
3
y
3
Hint
2.
Write an expression for the area of the rectangle shown below.
A.
9
x
2
y
4
+ 12
x
4
y
3
B.
12
xy
2
+ 4
x
3
y
C.
6
xy
2
+ 7
x
3
y
D.
6
xy
2
+ 4
x
3
y
Hint
3.
Multiply 4
x
2
(–
x
2
– 3
x
+ 2).
A.
–4
x
2
– 12
x
+ 8
B.
–4
x
4
– 7
x
3
+ 8
x
2
C.
–4
x
4
– 12
x
3
+ 8
x
2
D.
–4
x
2
– 7
x
+ 8
Hint
4.
Simplify 5(2
k
2
– 3
k
) – 6
k
(–
k
2
+
k
– 7).
A.
–6
k
3
+ 4
k
2
– 5
k
B.
–6
k
3
+ 4
k
2
+ 27
k
C.
6
k
3
+ 4
k
2
+ 27
k
D.
6
k
3
+ 4
k
2
– 5
k
Hint
5.
What is the area a triangle if
b
= 2
y
and
h
= 3
x
+ 5?
A.
3
xy
+ 5
B.
C.
3
xy
+ 5
y
D.
6
xy
+ 10
y
Hint