### Worked Examples – Quadratic Equations

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Worked Examples – Quadratic equation Methods to solve a quadratic equation are: Square Root Method Quadratic FormulaFactoring Completing the square Graphing We have four types of quadratic equations 1. Quadratic equations in the standard form $displaystyle a{{x}^{2}}+bx+c=0$ We can solve them by using the quadratic formula, graphing or factoring and completing the square. 2. Quadratic […]

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Quadratic equation What is a quadratic equation? A quadratic equation is an equation of degree 2 with one variable and that can be written as: x² + bx + c = 0, where a≠0, a, b, c are the coefficients and x is the variable. The number of roots of a quadratic equation is less or equal to the number of its degree. […]