Learn how to identify the focus and directrix by completing the square

The video tutorial explains how to identify the vertex, directrix, and focus of a parabola by rewriting the equation in a specific format. It covers the process of completing the square to form a perfect square trinomial, factoring it into a binomial square, and identifying the vertex. The tutorial also discusses finding the focus and directrix, emphasizing common mistakes students make and how to avoid them.

How do you rewrite the equation of a parabola in standard form after completing the square?

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What is the relationship between the vertex coordinates (H, K) and the values in the equation of the parabola?

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Describe how to graph a parabola once the vertex, focus, and directrix have been identified.

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