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Intro to Completing the Square

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Published on Oct 18, 2011

I review what we've learned about quadratic equations so far: the standard form, how to find y-intercepts, and the vertex, and the concept behind finding x-intercepts. We need to use factoring, completing the square, or quadratic formula in order to find the x-intercepts.
The biggest concept I show is the connection between x-intercepts and the solutions (roots) to an equation. They are one and the same. I also show how having it in completed the square form is nice so that you can simply take the square root of both sides.

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