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Logarithmes et exposants 1

Authored by Karine Mercier

Mathematics

7th Grade

Used 4+ times

Logarithmes et exposants 1
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15 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Trouve la forme exponentielle de : log232 = 5\log_232\ =\ 5   

 322= 532^2=\ 5  

 52= 325^2=\ 32  

 25= 322^5=\ 32  

 325= 232^5=\ 2  

aucune réponse

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Trouve la valeur du logarithme: log264= ?\log_264=\ ?   

4

5

6

 0,160,1\overline{6}  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Trouve la réponse du logarithme suivant:  log0,54= ?\log_{0,5}4=\ ?  

2

-2

-1/2

1/2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Trouve la valeur de x dans 0,5x= 320,5^x=\ 32   

5

-5

16

64

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Si loga36 =2 \log_a36\ =2\    alors a=?

18

6

2

9

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Vrai ou faux log77=7\log_77=7   

Vrai 

Faux

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Vrai ou faux

log1=1

Vrai

Faux

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