
Grupo B
Quiz
•
Mathematics
•
10th Grade
•
Hard
Pâmela Ceolin Pinto
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das opções representa um intervalo fechado?
]o,1[
[0,1]
]0,1]
[0,1[
(0,1)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a notação correta para um intervalo aberto que começa em -2 e vai ate 3?
]-2,3[
]-2,3]
[-2,3]
[-2,3[
2,3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se um intervalo inclui todos os números reais menores ou igual a 5, qual é a notação correta para esse:
]-∞, 5]
]0,10]
[0,10]
]5,∞[
]0,5[
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a notação correta para um intervalo semiaberto que começa em 0 e vai até 10,incluindo o numero 0?
]0,10[
[0,10[
]0,10]
[0,10]
[10,0[
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se um intervalo inclui todos os números reais maiores que -3, qual é a notação correta para esse intervalo?
]∞,-3[
[-3; +∞]
[-3+∞]
[-3[
]+∞[
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das opções representa corretamente o conjunto vazio?
{0}
{1,2,3}
{}
Ø
{1,2}
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se A={1,2,3} e B={2,3,4}, qual é a interseção entre os conjuntos A e B?
{1}
{2,3}
{2,3,4}
{}
{1}
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