@jamestanton Aug 20, 2024. Tri Loci Foci Parabolae

James Tanton asserts that we can almost always draw a parabola through three points in a given direction and asks what the locus of the focus of such parabolae look like.[br][br]Move the point D below to control the direction and use Focus Trace and Animate buttons to see what the locus looks like.
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Information: @jamestanton Aug 20, 2024. Tri Loci Foci Parabolae