30.7 The Parabola and a Unified View of Conic Sections
Point 4 of 6
30.7.4 The Conic Sections Are One Family
Core idea
Slice a cone at different angles and out come the ellipse, parabola, and hyperbola, all springing from the same source.
Module goal. Introduce the parabola and, through equal point-line distance and eccentricity, thread all three curves into one system, wrapping up the coordinate method.
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