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A9.j Number of Roots of a Quadratic

Mar 16, 2019

434 views

Roots shown visually. Discriminant defined and demonstrated. Examples of using the discriminant to determine the number of roots.

<iframe width="510" height="340" frameborder="0" allowfullscreen="" src="https://www.teachertube.com/embed/videos/485488" ></iframe>

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