1.
Simplify (7
a
4
b
) (8
a
7
b
6
).
A.
15
a
28
b
6
B.
56
a
28
b
6
C.
15
a
11
b
7
D.
56
a
11
b
7
Hint
2.
Simplify
. Assume the denominator is not equal to zero.
A.
B.
C.
D.
Hint
3.
Find the sum (4
xy
2
– 3
x
2
y
– 5
xy
– 6) + (-5
xy
2
– 2
xy
+ 3).
A.
4
xy
2
– 8
x
2
y
– 7
xy
– 3
B.
-
xy
2
– 3
x
2
y
– 7
xy
– 3
C.
-
xy
2
– 3
x
2
y
– 3
xy
– 3
D.
4
xy
2
– 7
xy
– 3
Hint
4.
Find the polynomial that represents the measure of the perimeter of the triangle.
A.
7
x
3
y
6
+ 10
x
2
– 2
y
B.
7
xy
2
+ 10
x
– 2
y
C.
15
xy
2
D.
5
xy
2
+ 10
x
Hint
5.
Find –8
x
3
y
2
(3
xy
4
– 2
x
5
–
y
).
A.
–5
x
4
y
6
- 10
x
8
y
2
- 9
x
3
y
3
B.
–24
x
4
y
6
+ 16
x
15
y
2
+ 8
x
3
y
3
C.
–24
x
4
y
6
+ 16
x
8
y
2
+ 8
x
3
y
3
D.
–24
x
4
y
6
- 16
x
8
y
2
+ 8
x
3
y
3
Hint
6.
Factor -180
x
2
y
2
A.
-1 · 2
2
· 3
2
· 5 ·
x
·
x
·
y
·
y
B.
2
2
· 3
2
· 5 ·
x
·
x
·
y
·
y
C.
-1 · 2
2
· 9 · 5 ·
x
·
x
·
y
·
y
D.
4 · 9 · 5 ·
x
·
x
·
y
·
y
Hint
7.
Which expression is equivalent to ((3
2
)
4
)
3
?
A.
9
9
B.
9
6
C.
27
12
D.
81
6
Hint
8.
Simplify
.
A.
x
2
y
2
B.
x
2
y
C.
x
3
y
D.
x
3
y
2
Hint
9.
How can the following expression be described 3
x
2
+ 4
x
+ 5
x
– 3?
A.
polynomial other than these listed
B.
monomial
C.
trinomial
D.
binomial
Hint
10.
Multiply 4
x
2
(–
x
2
– 3
x
+ 2).
A.
–4
x
4
– 12
x
3
+ 8
x
2
B.
–4
x
2
– 7
x
+ 8
C.
–4
x
2
– 12
x
+ 8
D.
–4
x
4
– 7
x
3
+ 8
x
2
Hint
11.
Which pair of terms are
unlike
terms?
A.
B.
C.
3
r
3
t
2
, -3
r
3
t
2
D.
Hint
12.
Factor
A.
B.
C.
D.
Hint
13.
Which sketch represents
A.
B.
C.
D.
Hint
14.
Which sketch represents
A.
B.
C.
D.
Hint