Quadratic Form

A quadratic form has terms that are all of degree 2. This allows two variables: we will use x and y.

$ax^2 + bxy + cy^2[\latex]</p> <p class="wp-block-paragraph">The values for a,b,c will come from a field such as integers, real numbers or complex numbers.</p> <p class="wp-block-paragraph">An expression such as [latex]4x^2$ is valid, for it sets the variables to a=4, b=0, c=0.