A quadratic equation is an equation of the second degree meaning it contains at least one term that is squared. A Quadratic Equation is usually written ax2 bx c 0. So it will have something like x2.
This means that it is squared.
It is also called an Equation of Degree 2 because of the 2 on the x. A quadratic equation can contain one or more second power variables. A x 2 b x c 0 displaystyle ax 2bxc0 where x represents an unknown and a b and c represent known numbers where a 0. Definition of quadratic equation.