Search

Google Classroom

GeoGebra Classroom

Home
Resources
Profile
Classroom
App Downloads

Focus-Directrix Definition of an Ellipse

Author:Norm Prokup

New Resources

Circle Passing Through 3 Points
Exploring GeoGebra for the First Time
Untitled
apec
Reflection = 180° Rotation about a Line

Discover Resources

How the chain rule applies to the slope of two functions.
Hanna's Bedroom Floor
MCV4UB Lesson 6 Activity 2
Finding the "Center of Gravity" of a Triangle
Crazy Bridge Expansion

Discover Topics

Vectors 2D (Two-Dimensional)
Expected Value
Pyramid
Real Numbers
Multiplication

About Partners Help Center

Terms of Service Privacy License

Graphing Calculator Calculator Suite Math Resources

Download our apps here:

© 2026 GeoGebra®