Introduction to Radicals and Simplifying Radical Expressions

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Radical

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An expression that includes a root, such as a square root or cube root.

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Simplifying Radical Expressions

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The process of rewriting a radical expression in a simpler or more manageable form.

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Square Root

Back

A value that, when multiplied by itself, gives the original number.

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Cube Root

Back

A value that, when multiplied by itself three times, gives the original number.

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Radical Sign

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The symbol (√) used to indicate a square root.

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Perfect Square

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A number that is the square of an integer.

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Rationalizing the Denominator

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The process of eliminating a radical from the denominator of a fraction.

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Index of a Radical

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The number that indicates the degree of the root in a radical expression.

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Like Radicals

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Radicals that have the same index and radicand.

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Unlike Radicals

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Radicals that have different indices or radicands.