1.
Factor 2
r
3
+ 8
r
2
- 10
r
completely.
A.
2
r
(
r
2
+ 4
r
- 5)
B.
(2
r
- 1)(
r
+ 5)
C.
2(
r
3
+ 4
r
2
- 5
r
)
D.
2
r
(
r
- 1)(
r
+ 5)
Hint
2.
Factor
m
3
- 4
m
2
+ 6
m
- 24.
A.
(
m
+ 4)(
m
2
- 6)
B.
m
(
m
2
- 4
m
+ 6) - 24
C.
(
m
- 4)(
m
2
+ 6)
D.
m
2
(
m
- 4) + 6
m
- 24
Hint
3.
Factor 3
ty
3
– 48
ty
.
A.
B.
C.
D.
3
ty
(
y
+ 4)(
y
– 4)
Hint
4.
What is the GCF of
A.
n
B.
3
n
C.
np
D.
p
2
Hint
5.
Which of the following is prime?
A.
7
x
2
–
y
2
B.
3
xy
+ 13
x
2
C.
5
xy
>
2
+ 10y
D.
3
x
2
– 6
y
Hint