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36
Pourquoi les droites d'équations y=4x-2
et y = 4x + 7 sont-elles parallèles ?

By: USER3177
27 Agustus 2025 mathematiques 5 minutes
4.5
120 views 120 comments 13 shares
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Question

Grade: Education Subject: mathematiques
Questions flash
36
Pourquoi les droites d'équations y=4x-2
et y = 4x + 7 sont-elles parallèles ?
Asked by:
120 Viewed 120 Answers
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Answer (120)

Best Answer
(50)

Car elles ont le même coefficient directeur

Answered on 27 Agustus 2025
(172)

Réponse :

Parce qu'elles ont le même coéfficient directeur, 4

Bonne journée

Explications étape par étape :

Answered on 27 Agustus 2025

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Bonsoir,

Activité:
Soit f(x)= 2 (x-1)²+2

1) Démontrer que f(x)= 2x²-4x+4
2) A l'aide de la calculatrice, tracer la courbe représentative de f. a= 1, b=0 et c= -5
3) Déterminer les coordonnées du sommet de la courbe
4) Regarder les coordonnées des sommets des fonctions suivantes:
f1(x)= (x-5)²+3; f2(x)= -2 (x+2)²-5

Exercice 4:

Soit la fonction définie par f(x)= 2x²-4x+2
Chercher le minimum de f et déterminer en

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