1. Graphing Systems of Linear Inequalities It is assumed you already know how to graph a linear inequality, which was discussed in a previous module. Graphing a system of linear inequalities means to graph two or more inequalities.

2. To solve a system of linear inequalities: 1) Graph each inequality in the system, shading each with a different pattern. 2) Determine the intersection of the graphs. It is the solution of the system.

3. Example 1 Solve: Graph the first inequality.

5. Graph the second inequality.

6. The solution to the system is the part where the two graphs overlap, including the lower part of the blue line.