SOLUTION: for real number x and y ,x^2+(y-4)^2=0 then value of x+y ?

Algebra.Com
Question 879670: for real number x and y ,x^2+(y-4)^2=0 then value of x+y ?
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!

There is only one real solution when both terms on the left hand side equal zero.



So then,


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