A binary form is a homogeneous bivariate polynomial of the form

where is the degree of . Such a binary form is often denoted .

A binary form with is called a binary quadratic form.

A binary form is a homogeneous bivariate polynomial of the form

where is the degree of . Such a binary form is often denoted .

A binary form with is called a binary quadratic form.

Weisstein, Eric W. "Binary Form." From
*MathWorld*--A Wolfram Web Resource. https://mathworld.wolfram.com/BinaryForm.html