Sal first solves some equations using the factoring method he has already taught. Next, he introduces the quadratic formula and demonstrates how to plug the numbers from the quadratic equation into the quadratic formula. He then solves the quadratic formula step-by-step to get the roots.

Concepts

root words, parabolas, graphing quadratics, quadratic equations, solving quadratics, factoring

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Additional Tags

solve quadratic by quadratic formula, solve quadratic by factoring, graph quadratic, roots, parabolas, math

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Classroom Considerations

• This video is hosted on YouTube