Definition:Quartic Equation

Definition
A quartic equation is a polynomial equation of the form:


 * $a x^4 + b x^3 + c x^2 + d x + e = 0$

such that $a \ne 0$.

Also see

 * Ferrari's Method: an algebraic technique for finding the roots of a general quartic.


 * Definition:Quadratic Equation
 * Definition:Cubic Equation
 * Definition:Quintic Equation