exercice4.py

Created on November 21, 2023

615 Bytes

• f,g et h sont des fonctions
polynômes de degré 2.

Le discriminant de f est 
strictement positif, celui 
de g est nul et celui de h
est strictement négatif.

1. Voici ci-contre 
les paraboles representant f,
g et h dans un repère. 
Associer à chaque parabole 
la fonction qui convient :
  
  P: g  ; P': h  ; P'': f 
  
2. A l'aide des coordonnées
des points placées sur 
le graphique, completer les 
affirmations suivantes:
  
-  L'ensemble des solutions 
  de f(x)=0 est S = {-1;3}
  
-  h(0)=3

-  La forme canonique de g(x)
   est 2(x- -1/2)2 + 0
   
-  On ne peut pas factoriser 
h(x)

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