
Matrices
Authored by Ismael Sánchez
Mathematics
11th Grade

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28 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una matriz se denomina nula cuando:
Todos sus elementos son iguales a 1
Tiene el mismo número de filas y columnas
Todos sus elementos son iguales a 0
Solo la diagonal principal contiene ceros
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una matriz cuadrada es aquella que:
Posee más filas que columnas
Tiene el mismo número de filas y columnas
Sus elementos son todos iguales
Es una matriz de una sola fila
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La matriz identidad se caracteriza porque:
Todos sus elementos son ceros
La diagonal principal contiene unos y el resto ceros
Todos sus elementos son unos
Es una matriz triangular
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una matriz simétrica cumple que:
Es igual a su traspuesta
Es igual a la inversa
Todos sus términos son iguales
Tiene ceros fuera de la diagonal
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una matriz triangular superior es aquella donde:
Los elementos por debajo de la diagonal principal son ceros
Los elementos por encima de la diagonal principal son ceros
La diagonal principal tiene todos ceros
Todos los elementos son iguales
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una matriz triangular inferior se caracteriza por:
Elementos ceros debajo de la diagonal principal
Elementos ceros encima de la diagonal principal
Todos los elementos de la diagonal son iguales a cero
Todos los elementos son diferentes
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La traspuesta de una matriz se obtiene al:
Multiplicar todos los elementos por -1
Intercambiar filas por columnas
Sumar una fila a una columna
Dejarla igual
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