
Determinantes y matrices
Authored by Claudio Martin
Mathematics
University
Used 51+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La matriz identidad es aquella que...
tiene unos en la diagonal y ceros en el resto
tiene todo unos
tiene todos ceros
el 1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para multiplicar dos matrices...
el número de filas de la primera ha de ser igual que el número de columnas de la segunda
han de tener las mismas filas y columnas
el número de columnas de la primera ha de ser igual que el número de filas de la segunda
multiplico elemento a elemento
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El determinante de esta matriz vale...
1
7
-1
-7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una matriz tiene transpuesta...
siempre
si es cuadrada
si se puede hacer su determinante
si su determinante es distinto de cero
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una matriz admite inversa (es regular) si...
si se puede dividir
no tiene determinante
su determinante es distinto de cero
su determinante es cero
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcula el siguiente determinante
0
5
1
No se puede hacer
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuál de las siguientes afirmaciones acerca de esta matriz es verdadera?
No tiene inversa
Su determinante es a2
Su determinante es 2a2
Su determinante es 4a
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