Curated OER
What's a Half-Plane?
When you graph an inequality on the coordinate plane you will get two half-planes. The line itself is called the boundary line. One of the halves is called the closed half-plane and the other half is called the open half-plane. How do...
Sophia Learning
Sophia: Graphing a Linear Inequality
Sophia: Graphing a Linear Inequality provides this lesson which will present how to graph and shade a linear inequality that contains a < or a > by using a test point.
Sophia Learning
Sophia: Solving Linear Inequalities by Graphing #2
This lesson illustrates how to solve for linear inequalities by graphing.