Solving Equations with Square Root

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What is the square root of a number?

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

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How do you isolate a variable in an equation?

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To isolate a variable, perform inverse operations to both sides of the equation until the variable is alone on one side.

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What is the principle of taking square roots in equations?

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When you take the square root of both sides of an equation, you must consider both the positive and negative roots.

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What does it mean to simplify a square root?

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