
1BGU MATE UNIDAD 2
Authored by Trucks Track
Mathematics
11th Grade
Used 6+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Una matriz es un arreglo rectangular de números, dispuestos en:
Filas y columnas
Celdas
Abscisas y ordenadas
Diagonales principales y secundarias
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Para sumar 2 o mas matrices, las matrices deben cumplir una condición, que es:
Deben ser traspuestas
Deben ser cuadráticas
Deben ser simétricas
Deben tener el mismo orden
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Para multiplicar una Matriz A por una Matriz B (AxB), se debe:
Multiplicar las filas de A por las columnas de B
Multiplicar las filas de B por las columnas de A
Multiplicar las columnas de A por las filas de B
Multiplicar las columnas de A por las filas de C
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Una matriz es traspuesta cuando se cambia las filas por columnas.
Verdadero
Falso
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Una matriz identidad es aquella que:
donde todos sus elementos son unos
Aquella que la diagonal principal son unos y el resto ceros
Aquella que la diagonal principal son ceros y el resto unos
aquella matriz columna de unos
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Para calcular la inversa de una matriz de orden 2x2, se necesita:
La adjunta y el determinante de orden 2
la matriz de cofactores y el determinante de orden 2
la matriz de cofactores y el determinante de orden 3
La traspuesta y la adjunta
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Al operar las matrices 2A+3B, se obtiene:
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