Finding the standard form of a parabola given directrix and vertex

The video tutorial explains how to find the standard form of a parabola's equation. It begins by introducing the concept and discussing how to choose the correct equation based on the given information. The instructor emphasizes the importance of graphing the vertex and directrix to determine the graph's orientation. The tutorial then covers how to calculate the value of P, which is the distance from the vertex to the focus. Finally, the instructor demonstrates how to write the equation in standard form, ensuring it aligns with the standard format.

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