Test Logaritmi

Test Logaritmi

10th Grade

10 Qs

quiz-placeholder

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Test Logaritmi

Test Logaritmi

Assessment

Quiz

Mathematics

10th Grade

Hard

Created by

BUDA LOREDANA

Used 8+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Rezultatul calculului:

 log264=\log_264=  

4

5

6

 252^5  

2.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Folosind proprietățile logaritmilor să se calculeze:

 log32+log31,5log39=\log_32+\log_31,5-\log_39=  

 log312\log_312  

  1\ 1  

 1-1  

 13\frac{1}{3}  

3.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Valoarea expresiei

 (log26log23)+log2(log381)\left(\log_26-\log_23\right)+\log_2\left(\log_381\right)  este:

3

1

-1

 log26\log_26  

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Precizați dacă următoarea egalitate este adevărată sau falsă:

 lg 12+lg 23+lg 34+...+lg 9991000=2\lg\ \frac{1}{2}+\lg\ \frac{2}{3}+\lg\ \frac{3}{4}+...+\lg\ \frac{999}{1000}=-2 

Adevarată

Falsă

5.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

 log2 20+log2 15=\log_2\ 20+\log_2\ \frac{1}{5}=  

4

2

-1

5

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Să se efectueze:

 log41=\log_41=  

4

1

0

-1

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Efectuați:

 log15125=\log_{\frac{1}{5}}125=  

3

 15\frac{1}{5}  

5

-3

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