
Révisions fonction second degré
Authored by Anne Libert
Mathematics
4th Grade
Used 1+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Soit la fonction f(x) = -2(x+6)²+3 , quelles sont les coordonnées de son sommet ?
S(-6,3)
s(3,-6)
S(6,3)
,S(-6,-3)
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
f(x) = -(x+7)²-7
a la concavité vers le haut car le coefficient de x² est négatif
a la concavité vers le bas car le coefficient de x² est négatif
a la concavité vers le haut car le coefficient de x² est positif
a la concavité vers le bas car le coefficient de x² est positif
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quel est le trinôme qui correspond à la forme canonique f(x) = -(x+7)²-7 ?
-x² - 14x - 49
-x² - 14x - 42
-x² - 14x - 56
-x² - 14x - 63
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quelle est la forme canonique de la fonction f(x) = x²-10x+23 ?
f(x) = (x-5)²+2
f(x) = (x+5)²-2
f(x) = (x-5)²-2
f(x) = 5(x-1)²+23
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quel est le sommet de la fonction f(x) = -3x²-1 ?
S(0,0)
S(0,-1)
S(-1,0)
S(-3,-1)
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quel est le tableau des variations de la fonction f(x) = x²+2x+3 ?
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quel est le tableau de variations de la fonction f(x) = -3x²-12x-7
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