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Logaritmo 1º ano

Authored by Tiago Reis

Mathematics

10th Grade

Used 34+ times

Logaritmo 1º ano
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Sabendo que log 5 625 = x, qual o valor de x?

5

4

3

2

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Qual o valor da expressão log28+log24\log_28+\log_24 ?

5

8

7

6

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Se log61 = a\log_61\ =\ a , qual o valor de a?

0

1

2

3

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Utilizando as propriedades de logaritmos, qual das alternativas melhor representa a expressão log  x3x^3   + 5 log (  y2y^2  ) ?

 x3y10x^3y^{10}  

log ( x3y10x^3y^{10}  )

 x3y10\frac{x^3}{y^{10}}  

log( x3y10\frac{x^3}{y^{10}}  )

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Qual das alternativas a seguir corresponde a  log38\log_38 ?

 838^3  

 log 8log 3\frac{\log\ 8}{\log\ 3}  

 383^8  

 83\frac{8}{3}  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Utilizando as propriedades de logaritmos, como podemos escrever log4(6416)\log_4\left(\frac{64}{16}\right) ?

 64log41664\log_416  

 log464log416\frac{\log_464}{\log_416}  

 16log46416\log_464  

 log464  log416\log_464\ -\ \log_416  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A igualdade abaixo é verdadeira ou falsa?
 log33+log24=log3(3×4)\log_33+\log_24=\log_3\left(3\times4\right)  

verdadeira

falsa

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