The position of parabolas top

Check, the position of the parabolas’ vertex, when one parameter of the quadratic function y=ax2+bx+c is changing, and the two others have the estimated value

Use the sliders on the right side. If you want to see the trace of parabolas you can use the check box.

This project has been funded with support from the European Commission.

This publication [communication] reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein

Grazyna Slowiena, 1st March 2013, Created with GeoGebra