1.
Factor 8
a
4
b
- 3
a
b
2
c
.
A.
a
b
(8
a
3
- 3
b
c
)
B.
a
b
c
(8
a
3
- 3
b
)
C.
8
a
b
(
a
2
- 3
b
c
)
D.
a
2
b
(8
a
2
- 3
b
c
)
Hint
2.
Factor 6
x
3
y
+ 15
x
2
y
2
- 3
x
4
y
.
A.
x
y
(6
x
2
+ 15
x
y
- 3
x
3
)
B.
x
2
y
(6
x
+ 15
y
- 3
x
2
)
C.
3
x
y
(2
x
2
+ 5
x
y
-
x
3
)
D.
3
x
2
y
(2
x
+ 5
y
-
x
2
)
Hint
3.
Factor 3
ty
3
– 48
ty
.
A.
B.
C.
3
ty
(
y
+ 4)(
y
– 4)
D.
Hint
4.
Which of the following is prime?
A.
7
x
2
–
y
2
B.
3
x
2
– 6
y
C.
5
xy
>
2
+ 10y
D.
3
xy
+ 13
x
2
Hint
5.
Factor 4
x
2
– 49.
A.
(2
x
+ 7)(2
x
– 7)
B.
C.
D.
Hint