1 Answer | Add Yours
The formula that can be used to solve for the roots of a quadratic equation is as follows:
Where, a, b, and c are taken from the standard form of a quadratic equation:
As it eliminates the need for trial and error with other methods of solving for a quadratic (such as factoring), it is the most efficient method for solving a quadratic equation.
It is arrived at by completing the square:
We’ve answered 327,871 questions. We can answer yours, too.Ask a question