1.
The symbol
means _____.
A.
greater than or equal to
B.
less than or equal to
C.
greater than
D.
less than
Hint
2.
Write an inequality for the graph below.
A.
-4 >
x
B.
C.
-4 <
x
D.
Hint
3.
Lori wants to spend no more than $50 on decorations and cake for her friend's birthday party. The cake she wants costs $27.50. How much money can she spend on the decorations? Express the answer as an inequality.
A.
B.
C.
m
< 22.50
D.
m
< 72.50
Hint
4.
Solve - 2
x
> 16.
A.
x
> -8
B.
x
> 8
C.
x
< 8
D.
x
< -8
Hint
5.
Solve 15 > –3(
x
+ 10).
A.
x
< 5
B.
x
> 5
C.
x
> -15
D.
x
< -15
Hint
6.
Three more than three fifths of a number is greater than –9. Find the number.
A.
x
< -20
B.
x
> -20
C.
x
> -10
D.
x
< -30
Hint
7.
Choose the best answer. Two inequalities, such as
x
< 10 and
x
> –1, form a(n) _____.
A.
set of inequalities
B.
compound inequality
C.
complex inequality
D.
intersecting inequality
Hint
8.
Choose the best answer. The graph of a compound inequality using the word
and
is the _____ of the graphs of the two inequalities.
A.
intersection
B.
solution
C.
union
D.
point
Hint
9.
Absolute value can be thought of in relationship to distance on a number line. Which statement is correct about |
x
| < 5?
A.
The distance from 0 is less than 5.
B.
The distance from 0 is greater than 5.
C.
The distance from any point on the number line is less than 5.
D.
The distance from any point on the number line is greater than 5.
Hint
10.
Solve
d
– 2
1.
A.
d
-1
B.
d
3
C.
d
-1
D.
d
3
Hint
11.
Mitzu needs to work at least 36 hours this week. If she is going to work on 3 days and wants to work the same number of hours each day, how many hours should she work on each of the three days?
A.
h
108 hours
B.
h
12 hours
C.
h
12 hours
D.
h
108 hours
Hint
12.
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
+ 60|
30
B.
|
d
– 90|
30
C.
|
d
+ 90|
30
D.
|
d
– 60|
30
Hint
13.
Which graph represents the inequality
y
2
x
+ 1?
A.
B.
C.
D.
Hint
14.
Which inequality represents the graph?
A.
y
x
- 2
B.
y
<
x
- 2
C.
y
>
x
- 2
D.
y
x
- 2
Hint