1.
Which statement is
not
true about the graph of
?
A.
The graph includes the number 8.
B.
The graph includes the number –8.
C.
The graph does not include the point 9.
D.
The graph includes the number 8.5.
Hint
2.
Identify the correct graph for the solution of
.
A.
B.
C.
D.
Hint
3.
Solve - 2
x
> 16.
A.
x
> 8
B.
x
> -8
C.
x
< 8
D.
x
< -8
Hint
4.
Solve
.
A.
c
> -45
B.
C.
D.
c
< -45
Hint
5.
Solve
.
A.
B.
C.
D.
Hint
6.
Identify the correct graph for the solution of 2
x
- 7 > 5 or
.
A.
B.
C.
D.
Hint
7.
Which graph represents the inequality
y
– 3
x
< –2?
A.
B.
C.
D.
Hint
8.
Rob is shopping at his favorite health food store. He does not want to spend more than $25.00 there. Write an inequality to represent this situation.
A.
s
25
B.
s
> 25
C.
s
< 25
D.
s
25
Hint
9.
Solve
d
– 2
1.
A.
d
3
B.
d
3
C.
d
-1
D.
d
-1
Hint
10.
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
92%
B.
f
83%
C.
f
92%
D.
f
83%
Hint
11.
Write
w
< 0 and
w
> -8 as a compound inequality without using
and
.
A.
w
< 0
B.
-8 <
w
< 0
C.
w
> -8
D.
-8 >
w
> 0
Hint
12.
Claudio has researched how much daily niacin he needs. He should have 23 mg per day, give or take 7 mg. Which inequality represents this situation?
A.
|
n
– 7|
23
B.
|
n
– 23|
7
C.
|
n
– 23|
7
D.
|
n
– 7|
23
Hint
13.
Laurie is worried about her hearing. She finds out that she should listen to music at between 30 and 90 decibels (dB) in order to prevent hearing damage and still be able to hear the music well enough. Which inequality represents this situation?
A.
|
d
– 90|
30
B.
|
d
+ 90|
30
C.
|
d
– 60|
30
D.
|
d
+ 60|
30
Hint
14.
Which graph represents the inequality
y
2
x
+ 1?
A.
B.
C.
D.
Hint