1.
Name the property illustrated by (3
c
· 6)2 = 3
c
(6 · 2).
A.
associative property of multiplication
B.
commutative property of multiplication
C.
associative property of addition
D.
commutative property of addition
Hint
2.
Name the property illustrated by the statement below.
If 5
n
= 15, then 15 = 5
n
.
A.
substitution property of equality
B.
symmetric property of equality
C.
transitive property of equality
D.
reflexive property of equality
Hint
3.
Solve 7(2
k
+ 4) - (3
k
+ 1) = 49.
A.
2
B.
1
C.
1.8
D.
4
Hint
4.
What is the value of |-101|?
A.
0
B.
101
C.
10.1
D.
-101
Hint
5.
Solve 3 < 2
t
- 1 < 15.
A.
{
t
| 2 <
t
< 16}
B.
{
t
| 2 <
t
< 8}
C.
{
t
| 4 <
t
< 16}
D.
{
t
| 3 <
t
< 8}
Hint
6.
Choose the relation that is a function.
A.
B.
C.
D.
Hint
7.
Which is the standard form of a linear equation?
A.
4
x
- 9
y
= 1
B.
3
x
2
+
y
= 5
C.
y
= 2
x
- 3
D.
Hint
8.
Which equation is graphed below?
A.
3
x
+
y
= 6
B.
3
x
-
y
= -6
C.
x
- 3
y
= -6
D.
x
+ 3
y
= 6
Hint
9.
Determine the slope of the line that passes through the points at
(1, 5) and (-4, 0).
A.
0
B.
C.
1
D.
-1
Hint
10.
Write an equation of the line that passes through (10,-4) and is perpendicular to the line whose equation is
A.
B.
C.
D.
Hint
11.
Choose the scatter plot that has a prediction equation with a negative slope.
A.
B.
C.
D.
Hint
12.
If
g
(
x
) = |
x
+ 3|, find
g
(-7).
A.
-7
B.
-4
C.
4
D.
10
Hint
13.
Which equation describes graph A?
A.
y
= 2.25|
x
| - 1
B.
y
= | 2.25
x
|
C.
y
= 2.25
x
- 1
D.
y
= |
x
- 1 |
Hint
14.
What is true about the system
and
A.
The system is consistent and independent.
B.
The system has infinitely many solutions.
C.
The system is consistent and dependent.
D.
The system is inconsistent.
Hint
15.
Solve the equation
x
– 82 = 143
A.
-61
B.
C.
225
D.
61
Hint
16.
Solve
x
+ 7 < 5 or
x
+ 6 > 9.
A.
{
x
| -2 <
x
< 3}
B.
{
x
| -2 >
x
> 3}
C.
{
x
|
x
> -2 or
x
< 3}
D.
{
x
|
x
< -2 or
x
> 3}
Hint
17.
Solve the inequality |
f
| > 4.
A.
{
f
| -4 <
f
< 4}
B.
{
f
|
f
< -4 or
f
> 4}
C.
{
f
|
f
> -4 or
f
< 4}
D.
{
f
| -4 >
f
> 4}
Hint
18.
What is the slope of the line with equation
A.
B.
C.
7
D.
-7
Hint
19.
For which scatter plot will a good line of fit have a negative
y
-intercept?
A.
B.
C.
D.
Hint
20.
Which of the following systems of equations is not consistent and independent?
A.
2
y
+ 4
x
= 3 7
y
+ 5
x
= 18
B.
y
+ 4
x
= 10 6
y
+ 24
x
= 60
C.
–
y
– 5
x
= 1 4
y
+ 3
x
= 8
D.
7
y
+
x
= 9 3
y
+ 9
x
= 4
Hint