![]() Since we know the formula representation and the values, we can now create a formula for solving quadratic equations. The a, b and c values are known numbers where a ≠ 0. The plus/minus operator (±) means the formula should be executed twice. To find these values, you can use the quadratic formula: Excel can help you easily solve these types of equations for x.Ī quadratic function's variable can take 2 values, meaning that there can be 2 solutions. ![]() The quadratic functions usually have a structure like ax² + bx + c = 0, where x represents an unknown variable, and a, b, and c represent known constants. It is called quadratic because quad means square in Latin. A quadratic function is a type of equation that contains a squared variable.
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