ideas for new exercises
lines and equations
http://www.neoprofs.org/t113123-equation-de-droite-2de
- equation of a line (e.g. via solving of systems)
- drawing of linear functions
- checking that a point is part of a line
- find the intersection of two lines; harder: find the barycenter of a triangle
many good ideas in this message: http://www.neoprofs.org/t113123-equation-de-droite-2de#4180988
some ideas out of the blue:
- recognize which line corresponds to which equation