1.
Choose the graph of
y
< 2
x
.
A.
B.
C.
D.
Hint
2.
Triangle
PQR
with vertices
P
(-8, 9),
Q
(-3, -1), and
R
(2, 5) is translated so that
P
' is at (-12, 0). Find the translation matrix.
A.
B.
C.
D.
Hint
3.
Find the area of the parallelogram.
A.
(12
a
2
+ 14
b
2
) cm
2
B.
(36
a
2
- 49
b
2
) cm
2
C.
(36
a
2
+ 49
b
2
) cm
2
D.
(36
a
2
- 84
a
b
- 49
b
2
) cm
2
Hint
4.
The volume of the cube is 512 cubic centimeters. What is the length of one side?
A.
256 cm
B.
170 cm
C.
8 cm
D.
23 cm
Hint
5.
Which value of
c
makes the trinomial
x
2
+ 16
x
+
c
a perfect square?
A.
128
B.
32
C.
64
D.
256
Hint
6.
Solve
x
2
- 6
x
+ 25 = 0.
A.
3 ± 4
i
B.
-3 ± 4
i
C.
D.
6 ± 8
i
Hint
7.
Graph the relation represented by
y
=
x
2
–
x
+ 1.
A.
B.
C.
D.
Hint
8.
Choose the line that has a slope of zero.
A.
B.
C.
D.
Hint
9.
What is the
y
-intercept of the graph of the line with equation
A.
7
B.
C.
D.
-7
Hint
10.
If
find
f
(-9).
A.
1
B.
-1
C.
-5
D.
5
Hint
11.
Graph the inequality
y
-|
x
| + 3.
A.
B.
C.
D.
Hint
12.
Which of the following is
always
true about inequalities whose graphs do not overlap?
A.
Each slope is negative.
B.
Their slopes are opposite reciprocals.
C.
Their slopes are equal.
D.
Each slope is positive.
Hint
13.
What are the dimensions of matrix
A
if
A.
4 × 4
B.
3 × 4
C.
3 × 3
D.
4 × 3
Hint
14.
Which of the following is true concerning matrix multiplication of three matrices
A
,
B
, and
C
?
A.
AB
=
BA
for no cases
B.
C
(
A
+
B
) =
CA
+
CB
C.
AB
=
BA
for all cases
D.
(
A
+
B
)
C
=
CA
+
CB
Hint
15.
Given that
and
use the fact that
to find
AB
+
AC
.
A.
B.
C.
D.
Hint
16.
What is the 4 × 4 identity matrix?
A.
B.
C.
D.
Hint
17.
Express the result in scientific notation. (3 × 10
-3
)(2 × 10
9
)
A.
6 × 10
12
B.
3 × 10
6
C.
6 × 10
6
D.
3 × 10
12
Hint
18.
What is the GCF of
A.
p
2
B.
n
C.
np
D.
3
n
Hint
19.
Factor 4
x
2
– 5
x
– 6.
A.
B.
C.
D.
(4
x
+ 3)(
x
– 2)
Hint
20.
A.
B.
no real solution
C.
3
D.
–3
Hint