Graphing a Linear Inequality
Step 1:- Draw the graph of the straight line that is the boundary.
Make the line solid if the inequality involves ≤ or ≥; make the
line dashed if the inequality involves < or >.
Step 2:- Choose a test point. Choose any point not on the line, and
substitute the coordinates of this point in the inequality.
Step 3:- Shade the appropriate region. Shade the region that includes
the test point if it satisfies the original inequality; otherwise,
shade the region on the other side of the boundary line.