1.
Find (3
a
- 1)(5
a
+ 6).
A.
15
a
+ 13
a
-6
B.
15
a
2
- 5
a
- 6
C.
15
a
2
+ 13
a
+ 6
D.
15
a
2
+ 13
a
- 6
Hint
2.
Find (
c
2
+ 2
c
- 6)(
c
+ 5).
A.
c
3
+ 2
c
2
- 6
c
- 30
B.
c
3
+ 2
c
2
- 30
C.
c
3
+ 2
c
2
+ 5
D.
c
3
+ 7
c
2
+ 4
c
- 30
Hint
3.
Factor 6
x
3
y
+ 15
x
2
y
2
- 3
x
4
y
.
A.
x
2
y
(6
x
+ 15
y
- 3
x
2
)
B.
x
y
(6
x
2
+ 15
x
y
- 3
x
3
)
C.
3
x
2
y
(2
x
+ 5
y
-
x
2
)
D.
3
x
y
(2
x
2
+ 5
x
y
-
x
3
)
Hint
4.
Factor
m
3
- 4
m
2
+ 6
m
- 24.
A.
(
m
- 4)(
m
2
+ 6)
B.
m
2
(
m
- 4) + 6
m
- 24
C.
m
(
m
2
- 4
m
+ 6) - 24
D.
(
m
+ 4)(
m
2
- 6)
Hint
5.
Find the difference (-3
x
3
– 7
x
2
+ 5
x
– 4) – (6
x
2
– 8).
A.
-11
x
8
+ 4
B.
–3
x
3
– 13
x
2
+ 5
x
+ 4
C.
–3
x
3
–
x
2
+ 5
x
- 12
D.
–3
x
3
– 13
x
2
+ 5
x
- 12
Hint
6.
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
7.
Factor
x
2
+ 5
x
+ 6.
A.
(
x
+ 1)(
x
+ 6)
B.
(
x
+ 2)(
x
+ 3)
C.
(
x
+ 1)(
x
+ 5)
D.
prime
Hint
8.
Factor 6
y
2
+ 22
y
– 8.
A.
(2
y
– 4)(3
y
+ 2)
B.
2(3
y
– 2)(
y
+ 2)
C.
2(3
y
– 1)(
y
+ 4)
D.
(6
y
– 1)(
y
+ 8)
Hint
9.
Which of the following trinomials is a perfect square trinomial?
A.
4
y
2
+ 10
y
+ 25
B.
x
2
+ 16
x
+ 16
C.
9
a
2
- 12
a
+ 4
D.
r
2
- 6
r
+ 36
Hint
10.
Determine whether the expression
x
+
y
+
z
is a monomial, binomial, or trinomial.
A.
trinomial
B.
binomial
C.
monomial
D.
Cannot be determined from given information.
Hint
11.
Factor 3
ty
3
– 48
ty
.
A.
B.
C.
D.
3
ty
(
y
+ 4)(
y
– 4)
Hint
12.
What is the GCF of
A.
n
B.
p
2
C.
np
D.
3
n
Hint
13.
Factor 4
x
2
– 49.
A.
B.
C.
D.
(2
x
+ 7)(2
x
– 7)
Hint
14.
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
– 5
k
D.
–6
k
3
+ 4
k
2
+ 27
k
Hint
15.
Factor
x
2
– 7
x
+ 12.
A.
(
x
– 6)(
x
– 2)
B.
(
x
+ 3)(
x
+ 4)
C.
(
x
+ 6)(
x
+ 2)
D.
(
x
– 3)(
x
– 4)
Hint
16.
Factor 5
x
2
+ 13
x
– 6.
A.
(5
x
+ 2)(
x
– 3)
B.
not factorable
C.
(5
x
– 2)(
x
+ 3)
D.
(5
x
+ 3)(
x
– 2)
Hint
17.
Factor 4
m
2
+ 2
mp
+ 2
mn
+
np
.
A.
(
m
- 2
p
)(
m
+ 2
n
)
B.
(
m
+ 2
p
)(
m
- 2
n
)
C.
(4
m
+ p
p
)(
m
+
n
)
D.
(2
m
+
p
)(2
m
+
n
)
Hint
18.
What is the coefficient of the second term in the polynomial expansion for (
a
+
b
)
3
?
A.
4
B.
5
C.
2
D.
3
Hint