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   View Standards     Standard(s): [MA2019] AL1-19 (9-12) 8 :
8. Explain why extraneous solutions to an equation involving absolute values may arise and how to check to be sure that a candidate solution satisfies an equation.

Subject: Mathematics (9 - 12)
Title: Extraneous Solutions
URL: https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:eq/x2ec2f6f830c9fb89:extraneous-sol/v/extraneous-solutions
Description:

Extraneous solutions are values that you may get when solving equations that aren't really solutions to the equation. This video will explain how and why you can arrive at extraneous solutions, by understanding the logic behind the process of solving equations. There is an additional video to explain this concept, as well as two question sets.


ALEX Classroom Resources: 1

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