
Numeros reais
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
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31 questions
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1.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
"Números reais" São formados pela união de quais conjuntos?
(N) e (Z)
(Q) e (Z)
(Z) e (N)
(Q) e (I).
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Todo número inteiro é racional.
Verdade
Falso
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Observe, no diagrama, a representação do conjunto dos números reais (R) e seus subconjuntos. Podemos afirmar que:
todo número inteiro (Z) é natural (N).
todo número racional (Q) é inteiro (Z).
todo número irracional (I) é racional (Q).
todo número inteiro (Z) é racional (Q).
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual das opções seguintes apresenta dois números irracionais?
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual opção abaixo não é um número racional?
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual é o menor número inteiro pertencente ao intervalo
[- , - ]
- 4
- 3
- 2
- 1
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual dos números a seguir representa um número irracional?
1, 2222...
0,2555....
3,14159265...
5,25
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