1.
Select the factorization that is
not
correct.
A.
x
2
+ 5
x
+ 6 = (
x
+ 2)(
x
+ 3)
B.
x
2
+ 2
x
+ 1 = (
x
+ 1)(
x
+ 1)
C.
x
2
+ 3
x
+ 4 = (
x
+ 1)(
x
+ 3)
D.
x
2
+ 9
x
+ 14 = (
x
+ 7)(
x
+ 2)
Hint
2.
Factor the trinomial
x
2
– 5
x
+ 6.
A.
(
x
– 6)(
x
– 1)
B.
(
x
+ 6)(
x
– 1)
C.
(
x
– 3)(
x
– 2)
D.
(
x
+ 3)(
x
– 2)
Hint
3.
Factor the trinomial
x
2
– 2
x
– 15.
A.
(
x
– 5)(
x
– 3)
B.
(
x
– 2)(
x
+ 7)
C.
(
x
– 2)(
x
– 7)
D.
(
x
– 5)(
x
+ 3)
Hint
4.
Factor 3
x
2
– 10
x
y
– 8
y
2
.
A.
(3
x
– 2
y
)(
x
– 4
y
)
B.
(
x
– 2
y
)(3
x
– 4
y
)
C.
(3
x
+ 2
y
)(
x
– 4
y
)
D.
(
x
+ 2
y
)(3
x
– 4
y
)
Hint
5.
Find the area of the surface of the table. Express the answer in factored form.
A.
(
x
– 10)(
x
+ 4) ft
2
B.
(
x
– 10)(
x
– 4) ft
2
C.
(
x
+ 10)(
x
– 4) ft
2
D.
(
x
+ 10)(
x
+ 4) ft
2
Hint