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Every number has two square roots ... a positive one and a negative one.

Example:

+2 and -2 are both square roots of 4, because when you

multiply either of them by itself, the answer is 4.

The positive square root of a number is the square root that's not negative.

The non-negative square root of a number is the positive one.

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12y ago

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Q: What is the nonenegative square root of a number?
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