
2º T | Atividade Avaliativa- Matemática
Authored by MARIA RODRIGUES
Mathematics
1st Grade
Used 3+ times

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6 questions
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1.
DRAG AND DROP QUESTION
1 min • 1 pt
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Observe a matriz completa ao lado. Qual é o sistema linear que representa essa matriz completa?
3.
MATCH QUESTION
1 min • 1 pt
Para que as matrizes quadradas abaixo não sejam inversíveis, qual deve ser o valor de x para cada uma delas?
x = 2
x = -3
x = 8
x = 15
x = 3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Analisando a matriz ao lado, encontre sua matriz inversa.
5.
LABELLING QUESTION
1 min • 1 pt
Forme um sistema matricial. Considerando que os coeficientes de cada incógnita respeite a seguinte ordem, os de x são: 2, 1 e 4, os de y são: -1, 5, 0, e os de z são: 7, -5, -3.
-5
1
2
-3
5
0
4
-1
7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Utilizando a Regra de Cramer, determine o valor das incógnitas x, y e z, e marque a alternativa que corresponde o resultado da soma delas.
5
6
7
8
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