1.
Factor 14
x
2
- 28
y
2
+ 56
A.
14(
x
2
- 14
y
2
+ 42)
B.
14(
x
2
- 2
y
2
+ 4)
C.
14
xy
(
x
- 2
y
+ 4)
D.
(2
x
+ 7
y
+ 2)(7
x
- 4
y
+ 2)
Hint
2.
Factor 20
a
4
b
2
- 15
ab
+ 30
a
2
b
A.
a
2
b
(20
a
2
b
- 15 + 30
a
)
B.
5(4
a
4
b
2
- 3
ab
+ 10
a
2
b
)
C.
5
ab
(4
a
3
b
- 3 + 6
a
)
D.
5
a
2
b
(15
a
2
b
- 10 + 25
a
)
Hint
3.
Factor 8
ac
+ 12
ad
+ 10
bc
+ 15
bd
.
A.
(2
c
+ 3
d
) + (4
a
+ 5
b
)
B.
(8
ac
+ 12
ad
) + (10
bc
+ 15
bd
)
C.
(2
c
+ 3
d
)(4
a
+ 5
b
)
D.
4
a
(2
c
+ 3
d
) + 5
b
(2
c
+ 3
d
)
Hint
4.
Factor
xy
– 6 + 2
y
– 3
x
.
A.
x(y
– 3) + 2(
y
– 3)
B.
(
xy
– 3
x
) + (2
y
– 6)
C.
(
x
+ 2)(
y
– 3)
D.
(
x
– 2)(
y
– 3)
Hint
5.
If the product of two factors is 0, which of the following cannot be true?
A.
One of the factors is 10.
B.
Both of the factors are 0.
C.
One of the factors is 0.
D.
Neither of the factors is 0.
Hint