Graphing linear inequalities in two variables  Inequalities in Two Variables
Graphing linear inequalities in two variables
In this lesson, we will talk about how to solve linear inequalities as well as how to graph the solutions on number lines and the xy plane.
Basic concepts:
 Express linear inequalities graphically and algebraically
 Solving onestep linear inequalities
 Solving multistep linear inequalities
Related concepts:
 Solving quadratic inequalities
 Solving absolute value inequalities
Lessons

1.
Introduction to Inequalities

4.
Graph the solution on a number line:

5.
Graph the solution on the xyplane:

6.
Graph the solution on the xyplane: