With his trusty graphing calculator, Sal begins his lecture on solving quadratic functions by graphing. The video is a good way to show young mathematicians not only how to use the graphing calculator (which Sal describes as "archaic" compared to modern cell phones), but how to analyze the graph once it's completed.

Concepts

graphing quadratics, graphing, quadratic equations

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Additional Tags

graphing quadratic equations, solving quadratic equations, solving quadratic equations by graphing, math

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Classroom Considerations

• This video is hosted on YouTube