SOLUTION: Determine whether the equation defines y as a function of x. y² = 2x

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Question 1135780: Determine whether the equation defines y as a function of x.
y² = 2x
Answer by Edwin McCravy(20054) About Me  (Show Source):
You can put this solution on YOUR website!

y² = 2x

No because (8,4) and (8,-4) are both ordered pairs
that satisfy the equation, and a function never
has the same first coordinate with different second
coordinates.

Edwin