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20 October, 23:58

Evaluate the expression, if possible: √ - 25

A. Not a real number

B. 25

C. 5

D. - 5

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Answers (2)
  1. 21 October, 00:05
    0
    The square root of a negative number considered an imaginary number. This means it is not a real number.

    The answer is A.
  2. 21 October, 00:11
    0
    When a negative sign is under the square root, we are unable to get real numbers back after taking the root.

    Thus, the square root of - 25 is not a real number (choice A).
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