
Determinantes - Examen - 2A
Authored by Petra Martens
Mathematics
11th Grade
Used 14+ times

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7 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
El determinante de la matriz B es:
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
1) Marca la(s) respuesta(s) correcta(s)
a) Si el det A = 3, entonces del At = 3
b) Si una fila de una matriz es igual a otra fila de la misma matriz, el determinante de la matriz es nulo.
c) Si todos los elementos de la diagonal principal de una matriz cuadrada de orden 3 son ceros, entonces el determinante de dicha matriz es nulo.
d) Si los elementos que están por encima de la diagonal principal de una matriz son todos nulos, entonces el determinante de la matriz es igual al producto de los elementos de la diagonal principal.
e) Si dos columnas de una matriz cuadrada de orden 3 son iguales, entonces el determinante de la matriz es nulo.
Solo A
A y C
Todas
Todas, excepto B y C
Todas, excepto C
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
3
5
10
15
4.
FILL IN THE BLANK QUESTION
15 mins • 1 pt
Al aplicar el método de Sarrus para hallar el determinante de la matriz , la respuesta es:
5.
FILL IN THE BLANK QUESTION
15 mins • 1 pt
Aplica el método de Laplace y halla el determinante de la matriz. La respuesta es:
6.
FILL IN THE BLANK QUESTION
15 mins • 1 pt
El valor de x en la matriz es:
7.
FILL IN THE BLANK QUESTION
15 mins • 1 pt
El valor de x de en la siguiente matriz es:
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