1.
Select the trinomial that is
not
a perfect square trinomial.
A.
x
2
+ 9
x
+ 3
B.
9
x
2
– 6
x
+ 1
C.
x
2
+ 8
x
+ 16
D.
25
x
2
+ 40
x
+ 16
Hint
2.
Factor the trinomial 9
b
2
– 24
b
+ 16.
A.
(3
b
+ 2)(3
b
– 8)
B.
(3
b
– 4)(3
b
+ 4)
C.
prime
D.
(3
b
– 4)
2
Hint
3.
Which of these represents factoring differences of squares?
A.
a
2
–
b
2
= (
a
–
b
)(
a
+
b
)
B.
a
2
+
b
2
= (
a
–
b
)(
a
+
b
)
C.
a
2
– 2
a
b
+
b
2
= (
a
–
b
)(
a
–
b
)
D.
a
2
+ 2
a
b
+
b
2
= (
a
+
b
)(
a
+
b
)
Hint
4.
The area of a square is
x
2
– 16
x
+ 64 square units. Find the perimeter.
A.
(4
x
– 32) units
B.
(4
x
+ 32) units
C.
(
x
+ 8) units
D.
(
x
– 8) units
Hint
5.
Factor the binomial 16
y
2
– 9.
A.
(4
y
– 3)
2
B.
(4
y
– 3)
2
C.
(16
y
– 9)(16
y
+ 9)
D.
(4
y
– 3)(4
y
+ 3)
Hint