Conjuntos numéricos e matemática básica

Conjuntos numéricos e matemática básica

8th Grade

12 Qs

quiz-placeholder

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Conjuntos numéricos e matemática básica

Conjuntos numéricos e matemática básica

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

Created by

Daniell Ferreira

Used 23+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Dos números abaixo, não é racional apenas o número:

1/4.

2,3232...

√2.

√9.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As dízimas periódicas são números 

inteiros.

racionais.

irracionais.

decimais exatos

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (23)Z\left(2-3\right)\in Z  ?

Verdadeiro

Falso

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Observe a situação: Marina ganhou 10 reais, gastou 6, ganhou outros 8, gastou mais 5 e perdeu 3.

Identifique a expressão que representa essa situação.

5 +6 8 35\ +6\ -\ 8\ -\ 3

10 6 + 8 + 5 310\ -\ 6\ +\ 8\ +\ 5\ -\ 3

10 + 6 + 8 5 310\ +\ 6\ +\ 8\ -\ 5\ -\ 3

10 6 + 8 5 310\ -\ 6\ +\ 8\ -\ 5\ -\ 3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

O oposto de 5 e o inverso de 7 são, respectivamente:

1/5 e - 7

1/5 e 1/7

- 5 e - 7

- 5 e 1/7

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (5+2).(52) \left(\sqrt{5}+\sqrt{2}\right).\left(\sqrt{5}-\sqrt{2}\right)\  é um número 

par.

irracional.

quadrado perfeito.

primo.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

o número  π\pi  é

natural.

inteiro.

racional.

irracional.

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