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solving for quadratic equations. When b 2 4 a c 0 there is one real root. They are also called roots or sometimes zeros There are usually 2 solutions as shown in this graph.
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These are all quadratic equations in disguise. For instance x ax b x 2 a bx ab where 1 a b and ab are the elementary polynomials of degree 0 1 and 2 in two variables. The quadratic formula helps us solve any quadratic equation.
Taking the square root of both sides and isolating x gives.
Combine all of the like terms and move them to one side of the equation. About the quadratic formula. There are different methods you can use to solve quadratic equations depending on your particular problem. Completing the square can be used to derive a general formula for solving quadratic equations called the quadratic formula.
