
CP-CEM/Pré-Prova - Matemática
Authored by Engemarinha Quiz
Mathematics
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40 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Uma matriz é ortogonal, se e somente se, suas linhas e colunas formam conjuntos ortonormais.
Verdadeiro
Falso
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dado três matrizes quadradas A, B e C, sendo C = A*B. E sabendo que os determinantes das matrizes A e B são, respectivamente, 2 e 3, determine o determinante da matriz C.
8
6
9
7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Seja A uma matriz quadrada de determinante igual a 4. Determine o determinante da matriz .
4
1/4
-1/4
-4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O núcleo pode ser a origem.
A dimensão do núcleo deve ser pelo menos um.
A dimensão do núcleo deve ser pelo menos dois.
A dimensão do núcleo deve ser pelo menos 3.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Seja B uma matriz quadrada, determine seus autovalores.
0, 2, 3
5, 4 , 2
2, 1, 4
5, 4, 3
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Sejam duas transformações lineares injetivas. Então:
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Seja B a matriz abaixo, calcule seu determinante.
4
8
6
12
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