SOLUTION: which two expressions are equivilant' square root of -49, -7 or -square root of 49

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Question 87857: which two expressions are equivilant'
square root of -49,
-7
or
-square root of 49
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt%28-49%29=7i

-sqrt%2849%29=-7

So the last two expressions are equivalent