1.
Which is the graph of the inequality
x
> -2?
A.
B.
C.
D.
Hint
2.
Which is the graph of the inequality
y
|
x
- 3|?
A.
B.
C.
D.
Hint
3.
An automobile manufacturer produces two kinds of cars--the Bobcat
x
and the Lion
y
. The company must always produce twice as many Bobcats as Lions and at least 300 cars but no more than 1200 cars per day. Model this situation algebraically.
A.
300
x
+ 2
y
1200
B.
300
x
+ 2
y
1200 and
x
= 2
y
C.
300
2
x
+
y
1200
D.
300
x
+
y
1200 and
x
= 2
y
Hint
4.
The compound inequality 300 <
x
+
y
< 1200 and
x
= 2
y
is shown in the graph below. List the possibilities of Bobcats and Lions produced to meet the imposed conditions.
A.
All points on the segment of the line
x
= 2
y
whose endpoints are (200, 100) and (800, 400) and whose coordinates are integers.
B.
All points on the segment of the line
x
= 2
y
whose endpoints are (100, 200) and (400, 800) and whose coordinates are integers.
C.
All points on the segment of the line 2
x
= 2
y
whose endpoints are (200, 100) and (800, 400) and whose coordinates are integers.
D.
All points on the segment of the line 2
x
=
y
whose endpoints are (100, 200) and (400, 800) and whose coordinates are integers.
Hint
5.
Which is the graph of the compound inequality 0
x
+
y
4?
A.
B.
C.
D.
Hint