1.
The graph of
y
= -4
x
2
- 1 is _____.
A.
a parabola
B.
None of these is correct.
C.
a straight line
D.
a circle
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.
Simplify -
x
2
+ 2
x
+
x
+
x
2
using the model below.
A.
3
x
B.
3
C.
x
2
- 3
x
D.
x
2
+ 3
x
Hint
4.
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
5.
Find the following sum.
A.
3
x
2
+ 3
x
- 4
B.
3
x
2
- 3
x
+ 4
C.
3
x
2
+ 3
x
+ 4
D.
3
x
2
- 3
x
- 4
Hint
6.
Find
x
4
(
x
2
- 3)
A.
x
6
- 3
x
2
B.
x
6
+ 3
x
4
C.
x
8
- 3
x
4
D.
x
6
- 3
x
4
Hint
7.
Find the measure of the area of the shaded region in simplest form.
A.
11
d
2
+ 6
d
B.
12
d
2
+ 6
d
C.
13
d
2
+ 6
d
D.
12
d
2
+ 5
d
Hint
8.
Find the difference of (7
x
2
+ 12
x
– 5) and (5
x
2
–
x
+ 1).
A.
2
x
2
+ 11
x
– 4
B.
2
x
2
+ 13
x
– 6
C.
2
x
2
+ 11
x
– 6
D.
12
x
2
+ 11
x
– 4
Hint
9.
Find (-16
x
2
– 10
x
– 2) – (-15
x
2
– 12
x
– 7).
A.
x
2
– 2
x
– 5
B.
-
x
2
– 22
x
– 9
C.
-31
x
2
– 22
x
– 9
D.
-
x
2
+ 2
x
+ 5
Hint
10.
Find
q
4
·
q
9
.
A.
2
B.
C.
D.
Hint
11.
Which table represents a linear function?
A.
B.
C.
D.
Hint
12.
Which situation represents a linear function?
A.
The area
A
of a circle with radius
r
.
B.
The perimeter
P
of a regular pentagon with side
s
.
C.
The volume
V
of a cube with side
s
.
D.
The area
A
of a square with side
s
.
Hint
13.
Find the graph of
y
= -0.5
x
2
.
A.
B.
C.
D.
Hint
14.
Find
.
A.
1
2
B.
8
5
C.
8
2
D.
8
15
Hint