1.
Find the value of
A.
-56
B.
-14
C.
14
D.
5
Hint
2.
Solve 7(2
k
+ 4) - (3
k
+ 1) = 49.
A.
4
B.
1.8
C.
1
D.
2
Hint
3.
Solve 4
x
> 28.
A.
{
x
|
x
> 7}
B.
{
x
|
x
< 7}
C.
{
x
|
x
< 4}
D.
{
x
|
x
> 28}
Hint
4.
Find the slope-intercept form of an equation of the line that has a slope of
and passes through (8,2).
A.
B.
C.
D.
Hint
5.
Josh has 40 minutes to complete a government exam. There are 15 multiple-choice questions worth 3 points each. There are also 5 short-answer questions worth 11 points each. It takes about 2 minutes for Josh to answer the multiple-choice questions
m
and about 8 minutes to complete the short-answer questions
s
. Which inequality is not part of the system of inequalities that represents the problem?
A.
B.
C.
D.
Hint
6.
Determine which matrix has a determinant.
A.
B.
C.
[1 -4 -8]
D.
Hint
7.
Evaluate
using diagonals.
A.
107
B.
37
C.
21
D.
33
Hint
8.
Simplify
A.
4
k
-
j
2
k
3
B.
2
k
-
j
2
k
3
C.
2
j
k
-
j
2
k
3
D.
2
k
-
j
2
k
Hint
9.
Factor 8
a
4
b
- 3
a
b
2
c
.
A.
a
b
c
(8
a
3
- 3
b
)
B.
a
2
b
(8
a
2
- 3
b
c
)
C.
8
a
b
(
a
2
- 3
b
c
)
D.
a
b
(8
a
3
- 3
b
c
)
Hint
10.
Factor 2
r
3
+ 8
r
2
- 10
r
completely.
A.
2
r
(
r
- 1)(
r
+ 5)
B.
(2
r
- 1)(
r
+ 5)
C.
2
r
(
r
2
+ 4
r
- 5)
D.
2(
r
3
+ 4
r
2
- 5
r
)
Hint
11.
Choose the line whose slope is undefined.
A.
B.
C.
D.
Hint
12.
If
what is the value of
A.
27
B.
89
C.
29
D.
Hint
13.
Solve
x
+ 7 < 5 or
x
+ 6 > 9.
A.
{
x
|
x
< -2 or
x
> 3}
B.
{
x
| -2 >
x
> 3}
C.
{
x
| -2 <
x
< 3}
D.
{
x
|
x
> -2 or
x
< 3}
Hint
14.
What is the
y
-intercept of the graph of the line with equation
A.
B.
-7
C.
7
D.
Hint
15.
A scatter plot is __________.
A.
a table of data
B.
a line graphed in a portion of Quadrant I of the coordinate plane
C.
a line graph
D.
a set of data graphed as ordered pairs in a coordinate plane
Hint
16.
What is true about a system of equations in three variables that has 1 solution?
A.
planes intersect in the same plane
B.
planes intersect in one line
C.
planes intersect in one point
D.
planes have no points in common
Hint
17.
Find the value of the determinant of
A.
64
B.
–32
C.
2
D.
6
Hint
18.
Vince and Brian each need two kinds of items at the store. Vince bought 10 of item A and 14 of item B, and spent $97. Brian bought 8 of item A and 25 of item B, and spent $119. How much did each item cost?
A.
item A = $5.50
item B = $3
B.
item A = $3
item B = $5.50
C.
item A = $2.10
item B = $1.14
D.
item A = $1.14
item B = $2.10
Hint
19.
Determine whether the expression
x
+
y
+
z
is a monomial, binomial, or trinomial.
A.
Cannot be determined from given information.
B.
trinomial
C.
monomial
D.
binomial
Hint
20.
Which of the following is prime?
A.
3
xy
+ 13
x
2
B.
3
x
2
– 6
y
C.
5
xy
>
2
+ 10y
D.
7
x
2
–
y
2
Hint