This curve is called a "comparison". What does it wish to be compared with: an ellipse or a hyperbola? Whichever, it always has a nice story...
What to choose : or ?
- Parabola in Cartesian co-ordinates
- Parabolic range of fire
- Charged particle in a uniform electric field
- Focus and directrix
- Stigmatism of a parabolic mirror
- Parabola in polar co-ordinates
- Parabolic path of a comet