Teste Aritmética - 9º ano (2025)

Teste Aritmética - 9º ano (2025)

9th Grade

18 Qs

quiz-placeholder

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Teste Aritmética - 9º ano (2025)

Teste Aritmética - 9º ano (2025)

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

FILIPE DE SOUZA BENTO

Used 6+ times

FREE Resource

18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

O número 45 não é um quadrado perfeito, sendo sua raiz quadrada um número irracional.

Sabendo que √45 ≃ 6,708203932..., o seu valor aproximado para duas casas decimais é:

6,70

6,71

6,72

6,78

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sabendo que √5 ≃ 2,24 e √10 ≃ 3,16, qual é o valor aproximado de √5 + √10?

4,50

5,20

5,40

6,10

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

O resultado da operação √50 ÷ √2 é equivalente a:

5

5√2

12,5

√48

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual o resultado da expressão 5√5 + 6√5 - 4√5?

7√5

8√5

9√5

10√5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual o resultado da expressão (∛4 × √2)?

Media Image
Media Image
Media Image
Media Image

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ao simplificar a raiz quadrada de 72, obtemos:

6√2

4√3

9√8

8√2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual a forma equivalente de 5√3 ao introduzir o termo 5 no radical?

√60

√45

√75

√15

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