
Atividade de Revisão
Authored by Jasuleo Jasuleo
Mathematics
11th Grade
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sobre as matrizes, julgue as afirmativas a seguir:
I - A matriz linha é aquela que possui uma única coluna.
II - A matriz coluna é aquela que possui uma única coluna.
III - A matriz quadrada é aquela que possui número de linhas igual ao número de
colunas.
Marque a alternativa correta:
Somente a I é falsa
Somente a II é falsa
Somente a III é falsa
Todas são verdadeiras
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A = [3 2]
[1 0]
B = [-2 5]
[7 11]
Calcule A-B
[5 -3]
[-6 -11]
[-5 -9]
[2 11]
[4 2]
[-8 9]
[6 -7]
[0 -6]
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A = [X 10] + B = [-7 13] = "x" = [16 23]
[Y 2] [4 -1] [18 1]
Calcule o valor de X e Y
X = 16
Y = 14
X = 20
Y = 20
X = 23
Y = 14
X = 17
Y = 18
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A = [2 1 4] B = [-1 3 2] C= [3 1 2]
[3 0 -1] [4 1 0] [0 -2 4]
[5 2 5] [2 -2 1] [-1 2 3]
Calcule A + B - C
[-2 3 4]
[7 3 -5]
[8 -2 1]
[6 -8 9]
[9 0 4]
[1 -7 -2]
[-2 3 9]
[7 4 -5]
[8 7 1]
[0 3 4]
[-1 3 5]
[0 -2 1]
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
[4 7 1]
[7 -2 4]
[1 4 4]
[5 4 6]
[7 -2 6]
[1 2 5]
[1 6 2]
[0 1 -7]
[9 -6 0]
[0 -1 6]
[4 -1 9]
[4 5 1]
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calcule uma soma infinita dos termos: (1/2; 1/4; 1/8; 1/16)
6
12
1
77
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dado a progressão (1, 2, 4, 8, 16, ......), a soma do seus 10 primeiros termos é igual a:
320
511
1023
512
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