Graphing Systems of Inequalities on the TI Nspire

This video tutorial demonstrates how to graph inequalities using the TI-Nspire CX calculator. It begins with creating a new document and adding a graph. The tutorial covers graphing a simple inequality, y < 2x + 3, and explains how to test if a point is within the solution set. It also shows how to graph a system of inequalities and identify the double-shaded solution area.

What is the first step to start graphing inequalities on the TI-Nspire CX?

• Press the Tab key

• Press the Delete key

• Choose number 1 new document

• Choose number 2 add graphs

Which key should you press to delete the equal sign when entering an inequality?

• Tab key

• Enter key

• Delete key

• Control key

What inequality is used as an example in the video?

• y ≤ 2x + 3

• y ≥ 2x + 3

• y < 2x + 3

• y > 2x + 3

How can you test if a point lies within the solution set of an inequality?

• Press the Tab key

• Press the letter P and drop a point

• Press Control and equals

• Press the Delete key

What coordinates are used to test if a point lies within the solution set in the video?

• (1, -2)

• (-2, 1)

• (-1, 2)

• (2, -1)

Which key combination is used to get the inequality options when graphing a system of inequalities?

• Control and equals

• Control and tab

• Control and delete

• Control and enter

What is the second inequality entered to create a system of inequalities?

• y < -x - 4

• y ≥ -x - 4

• y ≤ -x - 4

• y > -x - 4

What color represents the double shaded solution area in the system of inequalities?

• Green

• Blue

• Magenta

• Yellow