# 11.5: Radical Equations

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**Basic**Created by: CK-12Estimated20 minsto complete

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**Practice**Radical Equations

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Extraneous Solution

An extraneous solution is a solution of a simplified version of an original equation that, when checked in the original equation, is not actually a solution.Quadratic Equation

A quadratic equation is an equation that can be written in the form , where , , and are real constants and .Quadratic Formula

The quadratic formula states that for any quadratic equation in the form , .Radical Expression

A radical expression is an expression with numbers, operations and radicals in it.### Image Attributions

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Description

Learn how to solve equations involving radicals.

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Basic
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Date Created:

Feb 24, 2012
Last Modified:

Apr 11, 2016
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