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Solving Quadratic Equations by the Quadratic Formula

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More Lessons for Grade 9 Math
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Examples, solutions, videos, worksheets, games, and activities to help Algebra students learn about solving quadratic equations by the quadratic formula.

Introduction to the quadratic formula
Introduction to using the quadratic formula to solve 2nd degree polynomials

2 more examples of solving equations using the quadratic formula
Solving a Quadratic Equation by the Quadratic Formula
Use this method if you are weak at factoring, or if the equation is difficult to factor or cannot be factored.

Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
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