Rewrite the inequality in slope-intercept form if possible
Graph the boundary line using the corresponding equation
Use a solid line for ≤ or ≥
Use a dashed line for < or >
Test a point not on the line, usually (0,0)
Shade the side of the line that makes the inequality true
For two-variable inequalities, graph the solution region
For one-variable inequalities, graph the solution on a number line
Use open circles for < or >
Use closed circles for ≤ or ≥
Verify the shaded region satisfies the original inequality