Review OK- 3&4 Simplifying Square and Cube Roots

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What is a square root?

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A square root of a number x is a number y such that y² = x. For example, the square root of 9 is 3, since 3² = 9.

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What is a cube root?

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A cube root of a number x is a number y such that y³ = x. For example, the cube root of 27 is 3, since 3³ = 27.

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18∛4

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What does it mean to simplify an expression?

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To simplify an expression means to reduce it to its simplest form, making it easier to understand or calculate.

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3√6 - √2

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How do you combine like terms in square roots?

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You can combine like terms in square roots by adding or subtracting the coefficients of the square roots if they have the same radicand.

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4√3

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What is the principle of simplifying cube roots?

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To simplify cube roots, factor the number under the root into perfect cubes and simplify accordingly.

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