Números reais
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Easy
Alexandrina Fátima Silva Neto
Used 2+ times
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
O NÚMERO RAIZ QUADRADA DE 4 É ?
Racional
Irracional
Answer explanation
Um número irracional é um número cuja dízima é infinita não periódica. Não pode ser representado sob a forma de fração.
Um número racional pode ser representado por dizima finita ou infinita periódica.
2.
MULTIPLE CHOICE QUESTION
10 sec • 10 pts
O número 0,3 é racional ou irracional?
Irracional
Racional
3.
FILL IN THE BLANK QUESTION
10 sec • 10 pts
O valor de 22 é ___ .
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3
0
1
30
Answer explanation
Uma potência de base diferente de zero e expoente nulo é igual a 1 .
5.
DRAW QUESTION
10 sec • 10 pts
Faz uma circunferência em torno da resposta correta.
Answer explanation
É um número racional porque é representado por uma dízima infinita periódica.
6.
FILL IN THE BLANK QUESTION
10 sec • 10 pts
7.
OPEN ENDED QUESTION
10 sec • 10 pts
Evaluate responses using AI:
OFF
Answer explanation
É um número irracional porque a dízima é infinita não periódica.
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