What is the formula used for to solve quadratice problems and what is the quickess and/ or most accurate way to solve a solution?

Expert Answers
crmhaske eNotes educator| Certified Educator

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: