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Author:
Craig Nelson

Demonstrates step-by-step how to solve radical (square-root) equations. Explains why it is necessary to check solutions to identify extraneous solutions.

A visual explanation of how to solve radical equations with practice examples.

Tutorial

- Radical - a radical is a symbol to indicate a square root, or nth root.
- Radical Equation - a radical equation is one in which at least one variable is inside of a radical.
- Extraneous Solution - a solution of a simplified version of an equation that doesn't satisfy the original equation.

Andrew explaining and demonstrating an extraneous solution.

Craig, Andrew, Michael