When b2 - 4ac 0 there is one real root. Quadratic equation solver finds the real or complex roots of any quadratic equation by using the quadratic formula and finds the discriminant vertex minimum or maximum directrix focus and focal length of the parabola. Only if it can be put in the form ax 2 bx c 0 and a is not zero.
Calculator determines whether the discriminant b2 - 4ac is less than greater than or equal to 0.
When b2 - 4ac 0 there is one real root. In elementary algebra the quadratic formula is a formula that provides the solutions to a quadratic equationThere are other ways of solving a quadratic equation instead of using the quadratic formula such as factoring direct factoring grouping AC method completing the square graphing and others. Put in a b and c. X2 10x 25 0.