Negative Square Roots

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What is a negative square root?

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A negative square root is the value that, when multiplied by itself, gives a negative number. For example, the negative square root of 49 is -7, since (-7) * (-7) = 49.

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What is the square root of a negative number?

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What is the property of square roots regarding negative numbers?

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Square roots of negative numbers are not defined in the set of real numbers; they are defined in the set of complex numbers.

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What is the principal square root?

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The principal square root of a number is the non-negative root. For example, the principal square root of 16 is 4.

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How do you express the square root of a negative number?

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