Parabola Focus and Directrix 1

Starting with a point (focus) and a line below the point (directrix), in this video, Sal tries to find the set of all points (locus) equidistant to the point and the line. He shows, using the distance formula, that indeed, we have an equation of a parabola.

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Resource Details

Grade
10th - 12th
Subjects
Math
2 more...
Resource Type
Videos
Instructional Strategy
Flipped Classroom
Usage Permissions
Fine Print