Definition:Homogeneous Quadratic Equation

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This page is about Homogeneous Quadratic Equation. For other uses, see Homogeneous.


A homogeneous quadratic equation is a quadratic equation in two variables such that each term is of degree $2$:

$a x^2 + h x y + b y^2 = 0$

Also presented as

Some older sources present this as:

$a x^2 + 2 h x y + b y^2 = 0$

The $2$ in the coefficient of $x y$ can make some of the algebra more simple further down the line.