SOLUTION: I don't get these directions : Determine the values for the variable that will make each expressions a real number. One of the problems is: The square root of 5y

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Question 582168: I don't get these directions :
Determine the values for the variable that will make each expressions a real number.
One of the problems is: The square root of 5y
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
If you were to make y = 5, then you would have:
sqrt%285%2A5%29+=+sqrt%2825%29=5 or -5