1.
Find (4
r
+ 7
s
)(4
r
- 7
s
)
A.
16
r
2
- 49
s
2
B.
16
r
2
+ 49
s
2
C.
16
r
2
+ 56
rs
+ 49
s
2
D.
16
r
2
- 56
rs
+ 49
s
2
Hint
2.
State the excluded values of
a
and
b
in the expression
.
A.
B.
C.
D.
Hint
3.
Solve
.
A.
4
B.
1 or 4
C.
-2
D.
0
Hint
4.
Solve
.
A.
-2 or
B.
-2 or 7
C.
-2
D.
5
Hint
5.
Find the difference:
A.
-3
x
2
- 7
x
- 5
B.
-3
x
2
+
x
- 5
C.
-3
x
2
- 7
x
+ 1
D.
3
x
2
- 7
x
- 5
Hint
6.
Find the product of (4
n
+ 5) and (2
n
+ 3).
A.
6
n
2
+ 18
n
+ 8
B.
8
n
2
+ 22
n
+ 15
C.
8
n
2
+ 22
n
- 15
D.
6
n
2
+ 20
n
+ 12
Hint
7.
Start with a square with side length. Create a large rectangle by adding two more squares of the same size, and remove a strip with a width of 1. What is the area of the new rectangle?
A.
x
(3
x
– 1) = 3
x
2
–
x
B.
x
(
x
+ 3) =
x
2
+ 3
x
C.
x
(
x
– 1) =
x
2
–
x
D.
x
(3
x
+ 1) = 3
x
2
+
x
Hint
8.
Multiply the pair of binomials.(
y
+ 2)(
y
– 6)
A.
y
2
– 4
y
– 12
B.
y
2
+ 4
y
+ 12
C.
y
2
– 4
y
+ 12
D.
y
2
+ 4
y
– 12
Hint
9.
Expand the expression.(6
p
– 7)
2
A.
36
p
2
+ 84
p
– 49
B.
36
p
2
– 84
p
+ 49
C.
36
p
2
+ 49
D.
36
p
2
– 49
Hint
10.
Find the quotient. Simplify
A.
B.
C.
D.
Hint