Math Help Quadratic Equation
This section of Math Help online deals with quadratic equations.
What is a quadratic equation?
Quadratic means second degree, so quadratic equation means any equation in which the highest degree of x is two. Any quadratic equation can be expressed in the form
ax 2 + bx + c = 0
Definition of a quadratic equation
A quadratic equation is an equation of the form ax 2 + bx + c = 0 of which the roots are given by the Quadratic Formula:

where b 2 – 4ac is called the discriminant.
Quadratic formula
The values of x or roots of x which satisfy the quadratic equation ax 2 + bx + c = 0 are:

This quadratic equation formula is very important and must be remembered.