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