SOLUTION: Determine whether the equation defines y as a function of x. -5x+x^2+55=y

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Question 805648: Determine whether the equation defines y as a function of x.
-5x+x^2+55=y
Found 2 solutions by stanbon, josgarithmetic:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Determine whether the equation defines y as a function of x.
-5x+x^2+55=y
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It does.
y = x^2 - 5x + 55
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Parabola opening upward.
Cheers,
Stan H.
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Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
Very obviously, all terms of x are on the lefthand side and the only term containing y is on the righthand side, being only y. y is completely defined in terms of x. This means, "Yes", to the question.