April 2019 1 46 Report

SVP aider-moi pour le dm de maths. J'ai rien compris.

1-Résoudre:

a) 2x-3=7

b) (2x-3)(-x+1)=0

c)3(5x-1)(-x+1)=(2x+3)(-x+1)

d)4x [Auc arré] -9 =0

2- Résoudre:

a) 2x-7<-3x+8

b) -17 3 -21 2

_ x + _ > _ x _ _

2 5 4 3

3- On donne f(o)=-5 et f(-1) = -7

determiner l'expression de f(x) qui est une droite affinée

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