Ellipse Drawn From Definition

Ellipse - The set of all points such that the sum of the distance from two points is a constant. Position Vertice V, Foci F1, F2, and Center C. Drag the point J along the slider segment to draw the ellipse. Use Ctrl-F to clear the trace.
Jerel L. Welker Lincoln Southwest High School Math Department Lincoln, Nebraska jwelker@lps.org