
Matrizes e Determinantes
Authored by Mariana Almeida
Mathematics
1st Grade
Used 7+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o determinante da matriz?
14
-14
26
-26
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual a soma dos elementos da diagonal secundaria?
-9
-6
1
6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O determinante é associado a que tipo de matriz:
Matriz inversa
Matriz linha
Matriz identidade
Matriz quadrada
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O determinante de ordem 1 é:
Diferente de zero.
O próprio elemento.
A matriz elevada ao quadrado.
O inverso do elemento da matriz.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das matrizes abaixo, não se pode calcular determinante:
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O determinante de M é igual a:
det M = - 2
det M = 0
det M = -1
det M = 2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em que consiste a regra de Sarrus?
Na matriz 2x2, repete-se as duas primeiras colunas e multiplica-se.
Em qualquer matriz quadrada, repete-se as duas primeiras colunas e multiplica-se.
É utilizada na matriz 3x3, repetindo-se as duas primeiras colunas da matriz original.
É utilizada na matriz 3x3, repetindo-se a primeira coluna e multiplicando as diagonais.
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