
Matrizes e Sistemas Lineares
Authored by ADILSO MACHADO
Mathematics
10th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Construa a matriz 2x3 com os elementos 1, 2, 3, 4, 5, 6.
[[1, 2, 3], [4, 5, 6]]
[[1, 2, 3], [4, 6, 5]]
[[1, 2, 3], [5, 6, 7]]
[[1, 2, 3], [4, 5, 7]]
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule a transposta da matriz: [[1, 2], [3, 4], [5, 6]].
[[1, 3, 5], [2, 4, 6]]
[[1, 5], [2, 6], [3, 4]]
[[2, 4, 6], [1, 3, 5]]
[[1, 2, 3], [4, 5, 6]]
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Verdadeiro ou falso: Duas matrizes são iguais se tiverem o mesmo número de linhas e colunas, e seus elementos correspondentes forem iguais.
Falso
Verdadeiro se tiverem o mesmo número de linhas
Falso se tiverem elementos diferentes
Verdadeiro
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva o seguinte sistema linear: 2x + y = 5, x - y = 1.
{'x': 0, 'y': 1}
{'x': 2, 'y': 1}
{'x': 3, 'y': 2}
{'x': 1, 'y': 0}
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a matriz identidade 3x3?
[[1, 0, 1], [0, 1, 0], [1, 0, 1]]
[[1, 1, 1], [1, 1, 1], [1, 1, 1]]
[[0, 1, 0], [1, 0, 0], [0, 0, 1]]
[[1, 0, 0], [0, 1, 0], [0, 0, 1]]
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule o produto da soma de duas matrizes pela diferença das mesmas: A = [[1, 2], [3, 4]], B = [[5, 6], [7, 8]].
[[11, 14], [17, 20]]
[[-6, -8], [-10, -12]]
[[-24, -32], [-40, -48]]
[[24, 32], [40, 48]]
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a diferença entre os quadrados de 5 e 3?
16
6
9
12
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