A quadratic polynomial is a polynomial of polynomial degree 2. A univariate polynomial of
this degree has the form 
with 
. An equation involving a quadratic polynomial is called
a quadratic equation. A closed-form solution
known as the quadratic formula exists for the
solutions of an arbitrary quadratic equation.
Quadratic Polynomial
See also
Quadratic, Quadratic Equation, Quadratic Formula, Vertex FormPortions of this entry contributed by David Terr
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Cite this as:
Weisstein, Eric W., with contributions by David Terr. "Quadratic Polynomial." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/QuadraticPolynomial.html