1.
Write an inequality for the graph below.
A.
-4 <
x
B.
C.
D.
-4 >
x
Hint
2.
Solve
.
A.
B.
C.
D.
Hint
3.
Which statement is
not
true about solving inequalities?
A.
If you multiply each side of an inequality by a negative number, the inequality remains true.
B.
If you divide each side of an inequality by a negative number, the inequality symbol must be reversed for the inequality to remain true.
C.
If you divide each side of an inequality by a positive number, the inequality remains true.
D.
If you multiply each side of an inequality by a positive number, the inequality remains true.
Hint
4.
Choose the best answer. The graph of a compound inequality using the word
and
is the _____ of the graphs of the two inequalities.
A.
point
B.
intersection
C.
solution
D.
union
Hint
5.
Identify the correct graph for the solution of 2
x
- 7 > 5 or
.
A.
B.
C.
D.
Hint
6.
Solve |
x
+ 3| > 5. Identify the correct graph of the solution.
A.
B.
C.
D.
Hint
7.
Which graph represents the inequality
y
– 3
x
< –2?
A.
B.
C.
D.
Hint
8.
Which number line represents the graph of
g
3?
A.
B.
C.
D.
Hint
9.
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
10.
Lakita is making herself a purse. For the front of the purse she has a strip of designed fabric that is 7 inches wide. How long should she cut the fabric if she wants the area of the front of the purse to be no more than 56 square inches?
A.
l
6
B.
l
8
C.
l
12
D.
l
3
Hint
11.
In one week, Tariq's $300 apartment rent is due. He already has $50 and he makes $8 per hour at his job. How many hours does he need to work this week to have at least enough money to pay the rent?
A.
h
15.75 hours
B.
h
31.25 hours
C.
h
15.75 hours
D.
h
31.25 hours
Hint
12.
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
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
+ 60|
30
C.
|
d
+ 90|
30
D.
|
d
– 60|
30
Hint
14.
Which graph represents the inequality
y
2
x
+ 1?
A.
B.
C.
D.
Hint