SOLUTION: does the equation x^2 + y^2= 144 define y as a function of x?

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Question 1066040: does the equation x^2 + y^2= 144 define y as a function of x?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
No. This is a graph of a circle, where there are two values of y for a single point x.
You may write this as y=+/- sqrt (144-x^2).