1.
Simplify
A.
B.
C.
D.
Hint
2.
State the excluded values of
a
and
b
in the expression
.
A.
B.
C.
D.
Hint
3.
Express
in simplest form.
A.
B.
C.
D.
Hint
4.
Find
.
A.
B.
C.
D.
Hint
5.
Simplify the expression 2
a
+ 7
b
+ 12
a
+ 3
b
and then evaluate if
a
= 2 and
b
= -2.
A.
10
a
+ 14
b
; -8
B.
14
a
+ 8
b
; 12
C.
9
a
+ 15
b
; -12
D.
14
a
+ 10
b
; 8
Hint
6.
Find the difference:
A.
-3
x
2
- 7
x
- 5
B.
3
x
2
- 7
x
- 5
C.
-3
x
2
- 7
x
+ 1
D.
-3
x
2
+
x
- 5
Hint
7.
Use the diagram to write and expand an expression for the area.
A.
(
f
+
f
)(7 + 9) = 32
f
B.
(
f
+ 7)(
f
+ 9) =
f
2
+ 63
C.
(
f
+ 7)(
f
+ 9) =
f
2
– 16
f
+ 63
D.
(
f
+ 7)(
f
+ 9) =
f
2
+ 16
f
+ 63
Hint
8.
Multiply the pair of binomials.(4
z
– 2)(4
z
– 1)
A.
16
z
2
– 2
B.
16
z
2
– 12
z
+ 2
C.
16
z
2
+ 12
z
– 2
D.
16
z
2
– 12
z
– 2
Hint
9.
Expand the expression.(9
z
+ 2)
2
A.
81
z
2
+ 36
z
+ 4
B.
81
z
2
+ 4
C.
81
z
2
– 4
D.
81
z
2
+ 18
z
+ 4
Hint
10.
Expand the expression.(6
p
– 7)
2
A.
36
p
2
– 49
B.
36
p
2
– 84
p
+ 49
C.
36
p
2
+ 49
D.
36
p
2
+ 84
p
– 49
Hint