Donner les valeurs du coefficient a, b etc dans : F(x) = 3x2-7x +2

Q4 Bilan fonction poly degré2 1ere bac pro

Quiz
•
Mathematics
•
12th Grade
•
Hard
Carole ANDRE
Used 12+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
a = 3X2 b = 7 c = 2
a = 3 b = 7 c = 2
a = 3 b =-7x c = 2
a = 3 b = -7 c = 2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La courbe représentative d'un polynome de degré 2 est :
une hyperbole
Une parabole
une exponentielle
Une droite
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
les solutions de l'équation ax2+bx + c sont appelées: (1 seule réponse possible)
les solutions
X1 et X2
Les racines
X0
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si P(x) admet deux racines X1 et X2 sa forme factorisée est :
P (x) = a (X1-X) (X2-X)
P(x) = a (X-X1)(X-X2)
P (X) = a (X2 - X) (X1 - X)
P(X) = -a (X-X1) (X-X2)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si P(x) admet une seule racine X0, sa forme factorisée est :
P(X) = a (X-X0)
P(X) = a (X0-X)
P (X) = a (X-X0)2
P(X) = a (X0 - X)2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
déterminer le signe de a de la représentation graphique ci-dessous
a = 0
a =< 0
a > 0
a < 0
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Donner les racines de a de la représentation graphique ci-dessous
3 et 1
3 et 0,5
0,5 et 3
1 et 0,5
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