Finding Extraneous Solutions

Author

Texas Instruments

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Precalculus: Radical Functions

Math: Precalculus: Rational Functions

Level

9-12

Activity Time

45 Minutes

TI Calculator

TI-84 series

Resource Types

Lessons

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Finding Extraneous Solutions

Activity Overview

In this activity, students will graphically solve a radical equation. They are given each step of solving the equation. For each step students are to graph each side of the equation as a separate function and find the intersection. Students will determine in which step the extraneous solution appears.

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Author

Texas Instruments

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Precalculus: Radical Functions

Math: Precalculus: Rational Functions

Level

9-12

Activity Time

45 Minutes

TI Calculator

TI-84 series

Resource Types

Lessons

Report an Issue

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Finding Extraneous Solutions

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