Example:
Graph the solution set of the system of linear inequalities.
Solution:
We have
The corresponding equations of inequalities (A), (B) and (C), we get
For x–Intercepts:
Put in Eq (1), Eq (2) and Eq (3) we get












For y–Intercepts:
Put in Eq (1), Eq (2) and Eq (3) we get












Test:
Put origin as test point in inequalities (A), (B) and (C).



(True) 
(True) 
(True) 
Solution Set towards origin side. 
Solution Set towards origin side. 
Solution Set towards origin side. 