question_answer

In which quadrant, the bounded region for inequations \[x+y\le 1\] and \[x-y\le 1\] is situated  

A)                 I, II         

B)                 I, III

C)                 II, III

D)                 All the four quadrants

Correct Answer: D

Solution :

                As shown in graph drawn for \[x+y=1\]and \[x-y=1\] the origin included in the area. Hence the bounded region situated in all four quadrant.