1.
Find the greatest common factor of 168 and 288.
A.
48
B.
24
C.
2
D.
36
Hint
2.
Find the greatest common factor of 64
ab
3
c
2
and 48
a
2
b
2
c
.
A.
16
ab
2
c
B.
8
a
2
b
2
c
2
C.
16
abc
D.
8
ab
3
c
Hint
3.
What is the greatest common factor of 18
mn
2
, 54
m
4
, and 80
n
3
?
A.
18
m
2
n
3
B.
2
C.
9
mn
D.
2
mn
2
Hint
4.
Factor 15
x
3
- 5
x
2
.
A.
x
(15
x
2
- 5
x
)
B.
x
2
(15
x
– 5)
C.
5
x
(3
x
2
- x)
D.
5
x
2
(3
x
– 1)
Hint
5.
The area of a rectangle can be written by the expression 24
x
4
+ 18
x
3
. Find a set of possible dimensions for this rectangle.
A.
6
x
3
by 4
x
+ 3
B.
2
x
4
by 12 + 9
x
C.
3 by 8
x
3
+ 6
x
3
D.
24
x
3
by
x
+ 18
Hint