1.
Factor
x
2
– 16.
A.
(
x
+ 2)(
x
– 8)
B.
(
x
+ 4)(
x
– 4)
C.
(
x
– 4)(
x
– 4)
D.
(
x
+ 4)(
x
+ 4)
Hint
2.
Solve
a
2
– 12
a
= -27.
A.
a
= 9
B.
a
= 3
C.
a
= -27 or
a
= -15
D.
a
= 3 or
a
= 9
Hint
3.
Find the solutions of the equation.(
s
– 5)(
s
+ 1) = 0
A.
s
= 5 and
s
= –1
B.
s
= –5 and
s
= 1
C.
s
= 5 and
s
= 1
D.
s
= –5 and
s
= –1
Hint
4.
Find the solutions of the equation.4
y
2
– 16 = 0
A.
y
= –2 and
y
= –2
B.
y
=
and
y
=
C.
y
=
and
y
=
D.
y
= 2 and
y
= –2
Hint
5.
Factor the quadratic expression.
x
2
+ 2
x
– 24
A.
(
x
+ 6)(
x
+ 4)
B.
(
x
– 6)(
x
– 4)
C.
(
x
– 6)(
x
+ 4)
D.
(
x
+ 6)(
x
– 4)
Hint