¿Qué tipo de matriz es la de la imagen?
Repasando detrminant de una matriz 2x2

Quiz
•
Education
•
8th Grade
•
Medium
Joan M. Arias
Used 4+ times
FREE Resource
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2 X 2
2 X 3
3 X 3
Answer explanation
La matriz de la imagen es de tipo 2 X 2 ya que tiene 2 filas y 2 columnas, lo que la hace una matriz cuadrada.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuáles números forman la DIAGONAL PRIMARIA?
4 y 0
4 y 3
4 y -1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuáles números forman la DIAGONAL SECUNDARIA?
3 y 4
3 y -1
3 y 0
Answer explanation
La DIAGONAL SECUNDARIA se forma con los números en la posición donde el índice de la fila y la columna suman el número total de filas menos 1. En este caso, los números 3 y 0 forman la DIAGONAL SECUNDARIA.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La fórmula de el determinannte de A es:
|A|= Diagonal 1 más Diagonal 2
|A|= Diagonal 1 por Diagonal 2
|A|= Diagonal 1 menos Diagonal 2
Answer explanation
La fórmula correcta para el determinante de A es la Diagonal 1 menos la Diagonal 2.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si el determinante de A es:
|A| = 4(-1) - 3(0)
¿Cuál sería el resultado?
4
-4
1
Answer explanation
El determinante es igual a -4 porque al multiplicar 4 x -1 = -4 y 3 x 0 = 0. Entonces, al restar -4 -0 = -4
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