| |
| |
1. |
Which of the following is a graph of the inequalities
l + g > 100 and l > 70? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
2. |
Solve the system of inequalities by graphing. |
| |
|
 |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
3. |
The graph of the system of inequalities is shown below. Name the coordinates of the vertices of the polygonal set. |
| |
|
 |
| |
|
 |
| |
|
A. |
(1, -1), (-1, 3), and (2, 1) |
B. |
(0, 0), (2, 0), and (2, 6) |
| |
|
C. |
(1, -4), (3, 0), and (0, 1) |
D. |
(-1, 1), (-1, 4), and (2, 1) |
| |
|
Hint |
|
| |
4. |
Solve the system of inequalities by graphing.
x + y  4
2x - y < 4
y  0 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
5. |
Find the minimum value of f(x, y) =  x - 4y for the system of inequalities.
2x + y 3
2x + y -2
y 4
x < 1 |
| |
|
A. |
-17 |
B. |
-16 |
| |
|
C. |
16 |
D. |
-3 |
| |
|
Hint |
|
|
|