Education Technology

What’s my Locus?

Subject Area
Math: Precalculus: Functions and Graphs
Level
9-12
Activity Time
45 Minutes
TI Calculator
TI-Nspire™ CX series
TI-Nspire™ CX CAS/CX II CAS
TI-Nspire Version
3.0
Resource Types
Lessons
Format
TNS

What’s my Locus?

Activity Overview

In this activity, students will explore the focus/directrix and reflection properties of parabolas. They are led to conjecture each property and then prove them analytically.

Before the Activity

Download the attached PDF and look over the information on the first two pages. Download and distribute the attached .tns file and Student Worksheet for use during the activity.

During the Activity

Discuss the material from the activity pages and worksheet with students as needed.

After the Activity

Encourage students to summarize what they have learned from completing the activity.

Subject Area
Math: Precalculus: Functions and Graphs
Level
9-12
Activity Time
45 Minutes
TI Calculator
TI-Nspire™ CX series
TI-Nspire™ CX CAS/CX II CAS
TI-Nspire Version
3.0
Resource Types
Lessons
Format
TNS
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