Evaluate the expression sqrt[(-1776)/(-2) - 632].

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Multiple Choice

Evaluate the expression sqrt[(-1776)/(-2) - 632].

Explanation:
Evaluating a square root expression starts by simplifying inside the radical. Remember that dividing two negatives gives a positive. So (-1776)/(-2) equals 888. Then subtracting 632 yields 256 inside the radical. The square root of 256 is 16, which is the principal (nonnegative) root. Since 256 is a perfect square, the result is an integer.

Evaluating a square root expression starts by simplifying inside the radical. Remember that dividing two negatives gives a positive. So (-1776)/(-2) equals 888. Then subtracting 632 yields 256 inside the radical. The square root of 256 is 16, which is the principal (nonnegative) root. Since 256 is a perfect square, the result is an integer.

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