1.
Find the greatest common factor of 168 and 288.
A.
24
B.
48
C.
36
D.
2
Hint
2.
What is the greatest common factor of 45, 75, and 135?
A.
9
B.
25
C.
15
D.
5
Hint
3.
Find the greatest common factor of 64
ab
3
c
2
and 48
a
2
b
2
c
.
A.
8
ab
3
c
B.
8
a
2
b
2
c
2
C.
16
ab
2
c
D.
16
abc
Hint
4.
Factor 7
x
+ 21.
A.
7(
x
+ 3)
B.
7(
x
+ 21)
C.
7
x
(1 + 21)
D.
x
(7 + 21)
Hint
5.
Factor 15
x
3
- 5
x
2
.
A.
5
x
(3
x
2
- x)
B.
x
2
(15
x
– 5)
C.
5
x
2
(3
x
– 1)
D.
x
(15
x
2
- 5
x
)
Hint