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9º ano -Radicais

Authored by Pedro Tavares

Mathematics

9th Grade

Used 46+ times

9º ano -Radicais
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 169= ?\sqrt{169}=\ ?  

11

12

13

16

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Escreva os números em ordem crescente.

1,33...;π; 154; 5,46767...; 3,6262...; 32; ;507-1,33...;-\pi;\ -\frac{15}{4};\ 5,46767...;\ 3,6262...;\ 3\sqrt{2};\ ;\frac{50}{7}

π;5,46767...; 3,6262...;154; 32; 1,33... ;507-\pi;5,46767...;\ 3,6262...;-\frac{15}{4};\ 3\sqrt{2};\ -1,33...\ ;\frac{50}{7}

π;154; 5,46767...;1,33...; 3,6262...; 32; 507-\pi;-\frac{15}{4};\ 5,46767...;-1,33...;\ 3,6262...;\ 3\sqrt{2};\ \ \frac{50}{7}

154; π; 1,33...; 3,6262...; 32; 5,46767...; 507-\frac{15}{4};\ -\pi;\ -1,33...;\ 3,6262...;\ 3\sqrt{2};\ 5,46767...;\ \frac{50}{7}

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

é igual a:

 3343^{\frac{3}{4}}  

 4334^{\frac{3}{3}}  

 3433^{\frac{4}{3}}  

 33  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Após decompor a raiz  240\sqrt{240}  o resultado será:

 151615\sqrt{16}  

 4154\sqrt{15}  

 838\sqrt{3}  

 2302\sqrt{30}  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Resolva  2+117+8+64\sqrt{-2+\sqrt{117+\sqrt{8+\sqrt{64}}}}  

3

4

5

6

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Qual das alternativas está correta?

3210=211\sqrt{3}\cdot\sqrt{2}\cdot\sqrt{10}=2\sqrt{11}

8+2+18=328\sqrt{8}+\sqrt{2}+\sqrt{18}=3\sqrt{28}

53=153\frac{\sqrt{5}}{\sqrt{3}}=\frac{\sqrt{15}}{3}

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Qual frase esta incorreta?

A raiz quadrada de zero é ele mesmo.

O resultado de uma raiz cúbica pode ser negativo.

Não existe raiz quadrada de número negativo.

O menor índice possível é 1.

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