1.
Find (3
a
+ 4
b
)
2
A.
3
a
2
+ 24
ab
+ 4
b
2
B.
9
a
2
+ 24
ab
+ 16
b
2
C.
9
a
2
+ 12
ab
+ 16
b
2
D.
9
a
2
+ 16
b
2
Hint
2.
Find (5
t
2
- 2
w
)
2
A.
25
t
4
+ 4
w
2
B.
25
t
4
– 4
w
2
C.
25
t
4
– 20
t
2
w
+ 4
w
2
D.
25
t
4
– 10
t
2
w
+ 4
w
2
Hint
3.
Find (
x
– 3)(
x
+ 3).
A.
x
2
- 6
x
+ 9
B.
x
2
- 9
C.
x
2
+ 9
D.
x
2
- 6
x
- 9
Hint
4.
Which of the following is a difference of two squares?
A.
x
2
– 9
B.
x
2
+ 36
C.
x
2
– 8
x
– 16
D.
x
2
+ 6x + 9
Hint
5.
Find the product (4
n
+ 3)(4
n
– 3).
A.
16
n
2
– 9
B.
16
n
2
+ 24
n
– 9
C.
16
n
2
+ 9
D.
16
n
2
– 24
n
– 9
Hint