SOLUTION: Evaluate, if possible. √-121 THis is my radical symbol √

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Question 78128: Evaluate, if possible. √-121
THis is my radical symbol √

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Since we have a negative number in the radicand (we can't take a square root of a negative number) we have to factor out a negative 1


Break up the square roots

Since and 121 is a perfect square we get:



So in other words

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