1.
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
2.
Find the GCF of 3
x
2
y
2
and 15
xy
.
A.
3
x
2
y
B.
3
x
y
2
C.
3
x
2
y
2
D.
3
xy
Hint
3.
Find the GCF of 16
a
3
b
2
and 12
a
2
b
.
A.
4
a
2
b
B.
4
ab
C.
2
a
2
b
D.
2
ab
Hint
4.
Find the GCF of 17
r
4
s
4
and 23
r
s
4
.
A.
r
4
s
4
B.
17
r
s
4
C.
rs
D.
r
s
4
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.
24
x
3
by
x
+ 18
C.
3 by 8
x
3
+ 6
x
3
D.
2
x
4
by 12 + 9
x
Hint