1 
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

2 
A corner point is the point of intersection of: 
 A. xaxis & y  axis
 B. Boundary lines
 C. Any two lines
 D. None

3 
4 < y < 4 is the solution of the following: 
 A. y = 5
 B. y = 3
 C. y = 4
 D. y = 4

4 
ax + b > c is an inequality of: 
 A. One variable
 B. Three variable
 C. Two variable
 D. Four variable

5 
The system of _________ involved in the problem concerned is called problem constraints: 
 A. Linear inequalities
 B. Equations
 C. Linear equalities
 D. None of these

6 
A function, which is to be maximized or minimized is called an ________: 
 A. Maximum function
 B. Objective funciton
 C. Minimum function
 D. None of these

7 
The graph of 2x + y < 2 is the open half plane which is ________ the origin side of 2x + y = 2: 
 A. At
 B. Not an
 C. On
 D. None of these

8 
The feasible region is ________ if it can easily by enclosed within a circle. 
 A. Bounded
 B. Exist
 C. Unbounded
 D. None of these

9 
The order (or sense) of an inequality is changed by ________, it each side by a negative constant. 
 A. Adding
 B. Subtracting
 C. Dividing
 D. None of these

10 

 A. One variable
 B. Three variable
 C. Two variable
 D. Four variable
