In these activities the goal is to draw parabola by its given focus an directrix, or ellipse or hyperbola by the given two foci and major axis. Use "New" button to change the shapes.

Click-draw
PARABOLA |
Drag-draw
PARABOLA |

Click-draw
ELLIPSE |
Drag-draw
ELLIPSE |

Click-draw
HYPERBOLA |
Drag-draw
HYPERBOLA |

Here the goal is to find the foci of parabola, ellipse, and hyperbola by clicking or draging the cursor at their possible locations.

Focus
- Click PARABOLA |
Focus Drag -
PARABOLA |

Foci - Click
ELLIPSE |
Foci
- Drag ELLIPSE |

Foci
- Click HYPERBOLA |
Foci
Drag - HYPERBOLA |