test logaritmi

test logaritmi

10th Grade

7 Qs

quiz-placeholder

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test logaritmi

test logaritmi

Assessment

Quiz

Mathematics

10th Grade

Medium

Created by

Daniela Milea

Used 513+ times

FREE Resource

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care este domeniul de definiție al logaritmului

 log3(x4)\log_3\left(x-4\right)  

 xϵ(4;)x\epsilon\left(4;\infty\right)  

 xϵ(5;)x\epsilon\left(5;\infty\right)  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculati

 log214log27=\log_214-\log_27=  

2

3

4

1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

     Calculati     lg (12)+lg(23)+lg(34)+lg(45)=\lg\ \left(\frac{1}{2}\right)+\lg\left(\frac{2}{3}\right)+\lg\left(\frac{3}{4}\right)+\lg\left(\frac{4}{5}\right)= 

 lg 5-\lg\ 5  

 lg 5\lg\ 5  

4

-2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculati  log2(log2256)\log_2\left(\log_2256\right)  

5

2

4

3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

   calculati domeniu de definitie al logaritmului                   logx3\log_x3  


 xϵ(0;){1}x\epsilon\left(0;\infty\right)-\left\{1\right\}  

 xϵ(;0)x\epsilon\left(-\infty;0\right)  

 xϵ(2;5)x\epsilon\left(2;5\right)  

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 log3x=2log32log364\log_3x=2\log_32-\log_364  

calculati x dacă

 log32-\log_32  

 4log32-4\log_32  

 log34-\log_34  

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

               calculati  log2(log36561)\ calculati\ \ \log_2\left(\log_36561\right)  


3

4

2

5