You can calculate the discriminant b2 - 4ac first. When b2 4ac 0. First of all examine the give of the form of ax 2 bx c and then determine the.
The standard form of a quadratic equation is ax 2 bx c 0.
Fill in the boxes to the right then click the button to see how its done. The quadratic formula calculator is very easy to use. When b2 - 4ac 0 there is one real root. When b2 - 4ac 0 there are two complex roots.