Radicals and Rational Exponents

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What is a radical?

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A radical is an expression that includes a root, such as a square root (√) or cube root (∛). It represents the operation of finding a number that, when multiplied by itself a certain number of times, gives the original number.

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What is a rational exponent?

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What is the relationship between radicals and rational exponents?

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What is the principal square root?

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The principal square root of a non-negative number is the non-negative value that, when squared, gives the original number. For example, the principal square root of 9 is 3.

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How do you simplify a radical with a variable?

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