SOLUTION: A student says that the square root of 25 equals –5. How do you respond?

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Question 278808: A student says that the square root of 25 equals –5. How do you respond?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A student says that the square root of 25 equals –5. How do you respond?
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It's true. But the principal square root is +5.
Cheers,
Stan H.