On our official website : https://www.lycee-pierre-bourdan-maths-video.net/Vertex-and-intercepts-of-a-parabola <br />you can ask questions or leave your comments. <br />1re question à 0:41 <br />2me question à 2:01 <br />Free math videos from our teachers' team at the Lycée Pierre Bourdan, Guéret.
