Solving Radical Equations
Objective: Solving a variety of radical equations and engaging with conceptual questions, students come to understand why extraneous solutions arise.
Big Idea: Many examples help students to see how the structure of an equation indicates whether extraneous solutions will arise.
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Standards:
Subject(s):
45 minutes
Lesson Beginning
5 min
Class may begin with a brief recap of the previous lesson. Student responses should be elicited with questions like: What is a radical function? What does its graph look like? Didn’t we say something about an extraneous solution? The point here is to simply call all of this to mind again.
