1.
Model the monomial 4
x
2
A.
B.
C.
D.
Hint
2.
Simplify the expression 2
a
+ 7
b
+ 12
a
+ 3
b
and then evaluate if
a
= 2 and
b
= -2.
A.
14
a
+ 10
b
; 8
B.
9
a
+ 15
b
; -12
C.
10
a
+ 14
b
; -8
D.
14
a
+ 8
b
; 12
Hint
3.
Find (2
x
2
- 3
x
+ 1) + (3
x
2
-
x
- 5).
A.
5
x
2
+ 4
x
- 4
B.
5
x
2
- 4
x
- 4
C.
5
x
2
- 4
x
+ 4
D.
5
x
2
+ 4
x
- 4
Hint
4.
Find
x
4
(
x
2
- 3)
A.
x
6
- 3
x
4
B.
x
6
- 3
x
2
C.
x
6
+ 3
x
4
D.
x
8
- 3
x
4
Hint
5.
The ordered pair (-2, -13) is on the graph of which equation?
A.
B.
C.
D.
Hint
6.
Find (-6
x
2
+ 2) + (2
x
2
– 4).
A.
-4
x
2
– 2
B.
-8
x
2
– 6
C.
4
x
2
– 2
D.
-4
x
2
+ 2
Hint
7.
Find (-16
x
2
– 10
x
– 2) – (-15
x
2
– 12
x
– 7).
A.
-
x
2
+ 2
x
+ 5
B.
x
2
– 2
x
– 5
C.
-31
x
2
– 22
x
– 9
D.
-
x
2
– 22
x
– 9
Hint
8.
Find (4
c
– 5
d
+ 10) – (16
c
+ 7
d
+ 6) then evaluate the difference for
c
= -3 and
d
= -8.
A.
56
B.
136
C.
-128
D.
36
Hint
9.
Multiply (2
z
– 6
z
) by 4
z
4
.
A.
8
z
6
– 24
z
5
B.
4
z
4
+ 2
z
2
– 6
z
C.
8
z
6
– 24
z
4
D.
8
z
6
– 24
z
v
Hint
10.
Which equation represents a nonlinear function?
A.
y
= 3 +
x
B.
y
=
C.
y
= 3 -
x
D.
y
=
Hint
11.
Which equation represents a linear function?
A.
y
= -
B.
y
= -2
x
2
- 6
C.
y
= -2
x
6
D.
y
= -2
x
- 6
Hint
12.
Find the equation that represents the graph.
A.
y
= -
x
2
+ 4
B.
y
=
x
2
- 4
C.
y
= -
x
2
+ 2
D.
y
= -
x
2
- 4
Hint
13.
Find (-
a
)(-5
a
7
).
A.
5
a
8
B.
-5
a
8
C.
-5
a
7
D.
5
a
7
Hint
14.
Find
.
A.
d
13
B.
d
C.
d
16
D.
d
3
Hint