
Les polynômes de degré 2
Flashcard
•
Mathematics
•
1st Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
Qu'est-ce qu'un polynôme de degré 2 ?
Back
Un polynôme de degré 2 est une expression mathématique de la forme ax² + bx + c, où a, b et c sont des coefficients et a ≠ 0.
2.
FLASHCARD QUESTION
Front
Quels sont les coefficients dans le polynôme −7x² + x − 1 ?
Back
a = -7, b = 1, c = -1.
3.
FLASHCARD QUESTION
Front
Comment peut-on trouver les solutions d'une équation du second degré ?
Back
On peut utiliser la méthode graphique, la factorisation ou la formule quadratique.
4.
FLASHCARD QUESTION
Front
Quelle est la forme factorisée d'un polynôme de degré 2 ?
Back
La forme factorisée est de la forme a(x - x₁)(x - x₂), où x₁ et x₂ sont les racines.
5.
FLASHCARD QUESTION
Front
Une équation du second degré peut-elle avoir 1 solution ?
Back
Oui, une équation du second degré peut avoir 1 solution, appelée solution double.
6.
FLASHCARD QUESTION
Front
Qu'est-ce que le discriminant d'un polynôme de degré 2 ?
Back
Le discriminant est donné par la formule D = b² - 4ac et détermine le nombre de solutions.
7.
FLASHCARD QUESTION
Front
Que signifie un discriminant positif ?
Back
Un discriminant positif indique que l'équation a deux solutions réelles distinctes.
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