
Quiz sur les Matrices
Authored by Jamal OUHATNA
Science
12th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qu'est-ce qu'une matrice?
Un ensemble d'équations
Un tableau de nombres organisés en lignes et colonnes
Un vecteur avec plusieurs dimensions
Une équation quadratique
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dimension d'une matrice avec 3 lignes et 4 colonnes?
3x3
4x4
3x4
4x3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Matrice avec même nombre de lignes et colonnes?
Transposée
Identité
Carrée
Nulle
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Propriété d'une matrice identité:
Remplie de 0
1 sur la diagonale, 0 ailleurs
Symétrique
Pas de déterminant
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le produit de matrices est défini si:
lignes1 = colonnes2
colonnes1 = lignes2
lignes1 = lignes2
colonnes1 = colonnes2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trace d'une matrice carrée:
Σ des éléments de la 1ère colonne
Σ des éléments de la dernière ligne
Σ des éléments de la diagonale principale
∏ des éléments de la diagonale principale
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Inversion d'une matrice carrée :
Diviser par son déterminant
Transposée
det + Cofacteurs
Ajouter l'identité
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