1.
Select the graph that represents
a
< –2.
A.
B.
C.
D.
Hint
2.
Which statement is
not
true about the graph of
?
A.
The graph includes the number –8.
B.
The graph includes the number 8.5.
C.
The graph includes the number 8.
D.
The graph does not include the point 9.
Hint
3.
Write an inequality for the statement ''Five less than a number is at least
–12.''
A.
B.
5 –
n
> –12
C.
n
- 5 > –12
D.
Hint
4.
Choose the best answer. Two inequalities, such as
x
< 10 and
x
> –1, form a(n) _____.
A.
compound inequality
B.
set of inequalities
C.
complex inequality
D.
intersecting inequality
Hint
5.
Write two inequalities to describe the solution of |
x
| > 3.
A.
x
> 3 or
x
< -3
B.
x
> 3 and
x
< -3
C.
x
> -3 and
x
< 3
D.
x
> -3 or
x
< 3
Hint
6.
Solve |
x
+ 3| > 5. Identify the correct graph of the solution.
A.
B.
C.
D.
Hint
7.
Jesse wants to get more than 65 micrograms of vitamin K in his diet. If he has already eaten 23 micrograms of vitamin K today, how much more does he need?
A.
k
42
B.
k
< 42
C.
k
42
D.
k
> 42
Hint
8.
Solve the equation -8
b
4.
A.
b
B.
b
-2
C.
b
D.
b
-2
Hint
9.
Solve the equation
.
A.
z
-2
B.
z
-50
C.
z
-2
D.
z
-50
Hint
10.
Solve 2
x
- 4 < 12.
A.
x
> 8
B.
x
> 4
C.
x
< 8
D.
x
< 4
Hint
11.
You're going to get grounded for a week if you don't get at least an 80% in your science class. So far you have 226 of the total 300 points. The final test is worth 100 points. What score do you need to get on the final test? Assume the teacher rounds properly.
A.
f
83%
B.
f
83%
C.
f
92%
D.
f
92%
Hint
12.
Solve -11
3
x
+ 1
7.
A.
-4
x
2
B.
4
x
-2
C.
4
x
-2
D.
-4
x
2
Hint
13.
Which inequality represents the graph?
A.
y
x
- 2
B.
y
x
- 2
C.
y
<
x
- 2
D.
y
>
x
- 2
Hint
14.
Which inequality represents the graph?
A.
2
y
+ 2
x
< 1
B.
y
+
x
< 2
C.
y
+
x
> 2
D.
2
y
+ 2
x
> 1
Hint