TI-Nspire App Tutorial

Graphs of Linear Inequalities

Summary

• In this tutorial, you’ll explore the graphs of Linear Inequalities. The steps in the tutorial include:– Creating a Graph Window.– Graphing Linear Inequalities:

Create a Graph Window

Click on the + tool to activate this menu.

Input the Inequality

Press the Delete key to remove the equals sign. A menu of Inequalities comes up.

Input the Inequality

Input the inequality shown. Press Enter.

Graph the Inequality

This is the basic graph of a Linear Inequality.

Edit the Inequality

Click on the + sign at the upper right to bring up the Function Entry line. Then press the up arrow. You’ll see the

inequality.

Click here.

Then Click here.

Edit the Inequality

Change the inequality to the one shown above. Then press Enter.

Edit the Inequality

Note the change in the graph of the inequality.

Edit the Inequality

Now change the inequality to the one shown above. Press Enter. A greater slope value leads to a steeper

graph.

Edit the Inequality

Now change the inequality to the one shown above. Press Enter. Note how the y-intercept displaces the graph

vertically.

Edit the Inequality

Now change the inequality to the one shown above. Press Enter. Note how the y-intercept displaces the

graph vertically.

Graph a Second Inequality

Now change the Inequality to the one shown above. In addition, graph a second inequality.