Equation of a Circle

Parabola Drawn From Definition

Parabola - The set of all points the same distance from a point and a line. Position the directix using points A and B. Position the Focus. Move point D along the directrix to construct the parabola. Press Ctrl-F to delete the trace.

Jerel L. Welker Lincoln Southwest High School Lincoln, NE jwelker@lps.org

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

Hyperbola Definition

Hyperbola Defintion

The basic definition of the hyperbola, along with vocabulary relating to the hyperbola

Information