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Quadratic Equationby Factoring
Quadratic EquationSolution
QuadraticFormula Exercises
QuadraticFunction
SolvingQuadratic Equations
Parts of the QuadraticFormula
Derive QuadraticFormula

Matching this with the quadratic equation formula ax 2 + bx + c = 0, we get the following values: Therefore, the discriminant is 124 which is a positive number and hence the given quadratic equation has two real solutions. The quadratic equation has two equal real roots if d = 0. The equation thus becomes x = −b/2a, which is a single number.