Education Technology

# Activities

• ##### Subject Area

• Math: Algebra I: Equations and Inequalities
• Math: Algebra I: Quadratic Functions

9-12

30 Minutes

• ##### Device
• TI-83 Plus Family
• TI-84 Plus
• TI-84 Plus Silver Edition
• ##### Other Materials
For more information on the Glencoe/McGraw-Hill mathematics series visit them on the web at www.glencoe.com

## Glencoe Algebra 2: Graphing Calculator Investigation Quadratic Inequalities and the Test Menu

#### Activity Overview

This Graphing Calculator Investigation activity is from Glencoe Algebra 2 Graphing Calculator and Computer Masters to accompany Lesson 6-7: Graphing ad Solving Quadratic Inequalities. Students will solve inequalities.

#### Before the Activity

Review the activity PDF file.
Make copies of the activity PDF file for your class

#### During the Activity

Students will:

• Solve inequalities using the inequality symbol, called relational operators, in the TEST menu or by graphing each side of an inequality separately and then examining the graphs and using the intersect function to determine the range of values for which the inequality is true

• Directions:
• Distribute the student activity sheets
• Follow the procedures as outlined
• #### After the Activity

As a class, review student answers, discussing questions that appeared to be more challenging, and re-teaching as needed.