1.
Which of the following trinomials is a perfect square trinomial?
A.
9
a
2
- 12
a
+ 4
B.
r
2
- 6
r
+ 36
C.
x
2
+ 16
x
+ 16
D.
4
y
2
+ 10
y
+ 25
Hint
2.
Factor
x
2
– 8
x
+ 16.
A.
(
x
- 8)
2
B.
(
x
+ 4)
2
C.
(
x
- 4)
2
D.
(
x
+ 4)(
x
– 4)
Hint
3.
Factor 6
a
3
b
5
– 15
a
2
b
.
A.
3
a
2
b
(2
ab
4
- 5)
B.
ab
(6
a
2
b
4
- 15
a
)
C.
3
a
3
b
(2
ab
2
- 5)
D.
3(2
a
3
b
5
- 5
a
2
b
)
Hint
4.
Solve the following: (
q
+ 2)
2
= 25.
A.
{–3, 3}
B.
{–7}
C.
{3}
D.
{–7, 3}
Hint
5.
Solve the following:
y
2
+ 6
y
+ 9 = 49.
A.
{7}
B.
{–10, 4}
C.
{10, –4}
D.
{7, –7}
Hint