ICT activity using dynamic geometry software to study a family of curves (with geogebra 5.0)
ICT activity using dynamic geometry software to study a family of curves and a characteristic of their tangent (inspired by the 2007-2009 experimental tests) (with geogebra 5.0)
ICT activity with dynamic geometry software on the link between minimizing a distance and the relative position of two lines. (with geogebra 5.0)(inspired by the 2007-2009 experimental tests).