SOLUTION: Which two expressions are equivalent? √-49, -7, -√49 By my calculations which are not always so good I came up with these two as equivalent √-49, -7.

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Question 82237: Which two expressions are equivalent?
√-49, -7, -√49
By my calculations which are not always so good I came up with these two as equivalent √-49, -7.

Answer by Earlsdon(6294)   (Show Source): You can put this solution on YOUR website!
Sorreee!
= 7i and this is not a real number.

So, and are equivalent.

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