Asked by Victoria

What does it mean when a negative sign is outside of a square root?

Answers

Answered by Reiny
It means that the answer to your square root is negative.

e.g.

√25 = 5
but
-√25 = -5

not to be confused with √-25 which is not a real number.
Answered by Sab
Thanks i needed this lol. not doing algebra 2 tho
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