Definition:Quadratic Function

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A quadratic function is an expression of the form:

$\map Q x := a_0 + a_1 x + a_2 x^2$

where $a_0, a_1, a_2$ are constants.

The domain of $x$ is usually defined as the real numbers $\R$ or the complex numbers $\C$.

Also see

  • Results about quadratic functions can be found here.