Intersection of a vertical and horizontal parabola
- Author:
- GeoGebra Institute of MEI
- Topic:
- Intersection, Parabola
The intersection points of a vertical and horizontal parabola lie on a circle whose centre's distance from the directrices is the sum of distances of the foci from the directrices (in both the x and y directions.
Move the points A, B, C and D to vary the foci and directrices.