1.
Find the greatest common factor of 64
ab
3
c
2
and 48
a
2
b
2
c
.
A.
8
a
2
b
2
c
2
B.
16
abc
C.
8
ab
3
c
D.
16
ab
2
c
Hint
2.
What is the greatest common factor of 18
mn
2
, 54
m
4
, and 80
n
3
?
A.
9
mn
B.
2
mn
2
C.
18
m
2
n
3
D.
2
Hint
3.
Find the GCF of 3
x
2
y
2
and 15
xy
.
A.
3
x
y
2
B.
3
xy
C.
3
x
2
y
D.
3
x
2
y
2
Hint
4.
Factor 7
x
+ 21.
A.
7
x
(1 + 21)
B.
x
(7 + 21)
C.
7(
x
+ 3)
D.
7(
x
+ 21)
Hint
5.
Factor 15
x
3
- 5
x
2
.
A.
5
x
2
(3
x
– 1)
B.
5
x
(3
x
2
- x)
C.
x
(15
x
2
- 5
x
)
D.
x
2
(15
x
– 5)
Hint