Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

Parabola - Focus/Directrix Definition

Author:Steve Weissburg
Topic:Parabola

New Resources

  • Transforming Random Variables
  • Parallel Line Image Maker
  • Steel Chair
  • Slope Between 2 Points (Phase 2)
  • Which Quadrilateral is Which?

Discover Resources

  • Fastest descent with 5 segments
  • RopeHanging_2
  • A Very Bumpy Wave
  • Tangent Line applet
  • how to make a bisector
  • Chen_Marlin_Geometric_Mean

Discover Topics

  • Dilation
  • LCM and GCD
  • Functions
  • Piecewise Functions
  • Arithmetic
AboutPartnersHelp Center
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2025 GeoGebra®