1.
The graph of
y
= -4
x
2
- 1 is _____.
A.
a circle
B.
a straight line
C.
a parabola
D.
None of these is correct.
Hint
2.
Simplify 2
x
2
+ 5
x
2
+ 7
x
.
A.
2
x
2
+ 12
x
B.
14
x
C.
7
x
2
+ 7
x
D.
14
x
2
Hint
3.
Find the sum of (4
g
- 2
h
) + (2
g
- 5
h
) and evaluate if
g
= -3 and
h
= 2.
A.
-32
B.
33
C.
-4
D.
-9
Hint
4.
Find the difference:
A.
2
x
- 1
B.
8
x
- 5
C.
8
x
- 1
D.
2
x
- 5
Hint
5.
Find the difference:
A.
-3
x
2
- 7
x
+ 1
B.
-3
x
2
- 7
x
- 5
C.
-3
x
2
+
x
- 5
D.
3
x
2
- 7
x
- 5
Hint
6.
Find 5
3
· 5
7
A.
5
10
B.
25
10
C.
5
4
D.
25
-4
Hint
7.
Find
a
7
·
a
4
A.
a
3
B.
(2
a
)
11
C.
(2
a
)
3
D.
a
11
Hint
8.
Find (-6
x
2
+ 2) + (2
x
2
– 4).
A.
-4
x
2
+ 2
B.
-4
x
2
– 2
C.
4
x
2
– 2
D.
-8
x
2
– 6
Hint
9.
Find
x
5
(
x
4
+ 6
x
3
).
A.
x
9
+ 6
x
8
B.
x
20
+ 6
x
3
C.
x
9
+ 6
x
3
D.
x
20
+ 6
x
15
Hint
10.
Multiply (2
z
– 6
z
) by 4
z
4
.
A.
8
z
6
– 24
z
v
B.
4
z
4
+ 2
z
2
– 6
z
C.
8
z
6
– 24
z
4
D.
8
z
6
– 24
z
5
Hint
11.
Which graph represents a nonlinear function?
A.
B.
C.
D.
Hint
12.
Which graph represents a linear function?
A.
B.
C.
D.
Hint
13.
Find the graph of
y
= -5
x
2
+ 3.
A.
B.
C.
D.
Hint
14.
Simplify
m
+ 6 + 5
n
- 4
m
- 2
n
.
A.
-3
m
+ 3
n
+ 6
B.
-3
m
+
n
+ 9
C.
-3
m
+ 3
n
D.
-3
m
+ 9
n
+ 6
Hint