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

Asked on by monique06

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crmhaske | College Teacher | (Level 3) Associate Educator

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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:









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