There might be an extra solution. Pupils discover that the process of solving a radical equation is the same general process of solving any equation. They find out that in some instances, an extraneous solution occurs. Individuals then practice their skills during the video by working out examples followed by worksheet problems.

Concepts

radical equations, radicals, solving equations, solving for 1 variable, extraneous solutions

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Instructional Ideas

• Lead a discussion on ways to spot extraneous solutions

Classroom Considerations

• Individuals should know how to solve linear and quadratic equations
• Fits as the third lesson in a series of four on radicals

• This video is hosted on YouTube

Pros

• Includes a check with all problems to look for extraneous solutions
• Contains additional practice to help work toward mastery

Cons

• None

Common Core

SL.9-10.2 SL.11-12.2 MP6 MP7 HSA-REI.A.2