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Classe de seconde 4 29 janvier 2012
Exercice 0 : Nom et pr´enom :
Exercice 1 :
Par lecture graphique et en laissant apparaitre les traits sur le graphique, d´eterminer les ´equations des droites d1,d2,d3,d4 etd5.
d1:
d2:
d3:
d4:
d5:
d1 d2
d3
d4
d5
I J O
Exercice 2 : On donneA(3; 4),B(−2; 3). D´eterminer l’´equation r´eduite de la droite (AB).
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