Draw the graphs of the equations and Determine the coordinates of the vertices of the triangle formed by these lines and the x-axis, and shade the triangular region.


x - y + 1 = 0

x = y – 1


X



0



1



2



y



1



2



3



3x + 2y - 12 = 0




X



4



2



0



Y



0



3



6



Hence, the graphic representation is as follows.



7
1