| 1 |
The ordered pair _____ is a solution of the inequality x + 2y < 6. |
- A. (3, 3)
- B. (1, 1)
- C. (4, 4)
- D. (5, 5)
|
| 2 |
y = b is a horizontal line parallel to _________: |
- A. x - axis
- B. x - axis may be
- C. y - axis
- D. None of these
|
| 3 |
A solution of a linear inequality in x and y is an ordered pair of numbers, which _______ the inequality. |
- A. Does not satisfy
- B. May be stisfied
- C. Satisfies
- D. None of these
|
| 4 |
x = 4 is the solution of inequality: |
- A. x + 3 > 0
- B. x - 3 < 0
- C. -2x + 3 > 0
- D. x + 3 < 0
|
| 5 |
The inequality x < a is the open half plane to the __________ of the boundary line x = a: |
- A. Above
- B. Left
- C. Below
- D. Right
|
| 6 |
x = 2 is a vertical line perpendicular to _____________: |
- A. x - axis
- B. x - axis may be
- C. y - axis
- D. None of these
|
| 7 |
Non-vertical lines divide the plane into___________half plane: |
- A. Upper and lower
- B. Many
- C. Left and Right
- D. None of these
|
| 8 |
The non-negative inequalities are called: |
- A. Parameters
- B. Constants
- C. Decision variables
- D. Vertices
|
| 9 |
|
- A. One variable
- B. Three variable
- C. Two variable
- D. Four variable
|
| 10 |
The operation _______ by a positive constant to each side of inequality will affect the order (or sense) of inequality: |
- A. Adding
- B. Subtracting
- C. Multiplying
- D. None of these
|
