# Is the following equation quadratic

### Is the following equation quadratic

is x^2=5y +2 quadratic equation or not
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### Re: Is the following equation quadratic

$y = \frac{1}{5}x^2 - \frac{2}{5}$

Quadratic equations are in the form of
$ax^2+bx+c = 0$
where a, b and c are numbers.
We have no second variable.
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