
MATRIZ_PRIMEIRO_elton
Mathematics
10th Grade
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9 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 3 pts
Analise a matriz a seguir:
1 5 1
3 4 0
1 -2 -3
A soma dos termos a22 e a32 é igual a:
-1
-2
0
1
2
2.
MATCH QUESTION
1 min • 2 pts
Dada a matriz
1 7 - 1 6
3 4 0 2
5 -2 -3 9
a34
6
a14
-3
a33
9
a11
1
a13
-1
3.
DRAG AND DROP QUESTION
1 min • 2 pts
A matriz A3x2 possui (a) linha s e ------ colunas.
4.
MATCH QUESTION
1 min • 3 pts
Qual é a localização de cada elemento em uma matriz?
elemento posicionado na primeira linha e primeira coluna
a21
elemento posicionado na segunda linha e quarta coluna
a24
elemento posicionado na quarta linha e terceira coluna
a43
elemento posicionado na terceira linha e terceira coluna
a11
elemento posicionado na segunda linha e primeira coluna
a33
5.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
1 2
Dada a ,matriz B= 3 4
5 6
a ordem dessa matriz é?
3x2
2x3
6x1
1x6
6.
MULTIPLE CHOICE QUESTION
2 mins • 3 pts
A temperatura corporal de um paciente foi medida, em graus Celsius, três vezes ao dia (de manhã, de tarde e de noite), durante cinco dias. Cada elemento aij da matriz abaixo corresponde à temperatura observada no instante i do dia j.
35,6 36,4 38,6 38,0 36,0
36,1 37,0 37,2 40,5 40,
35,5 35,7 36,1 37,0 39,2
Julgue as afirmativas a seguir:
I - No momento a21, o paciente estava com a temperatura de 36,1.
II - As temperaturas do momento a33 e do momento a21 são iguais.
III - No momento a35 a temperatura era de 39,2.
A ordem correta é:
VVV
VFV
FVV
VVF
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma matriz quadrada de ordem 2 possui lei de formação bij=2i+3j−5. Portanto, O elemento a11 matriz é?
0
2
4
1
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