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Logaritmy

Authored by Jiří Jahoda

Mathematics

11th Grade - University

Used 5+ times

Logaritmy
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8 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Napiš hodnotu logaritmu

 log416\log_416  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Čemu se rovná x?

 x=log20,5x=\log_20,5  

- 1

2

- 3

4

- 5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Čemu se rovná x?

 log4 x = 2\log_4\ x\ =\ -2  

2

- 2

1/2

-1/2

1/16

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Čemu se rovná x?

 logx 10= 12\log_x\ \sqrt{10}=\ \frac{1}{2}  

5

10

50

100

jiná hodnota

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Čemu se rovná  výraz

 log63+log612\log_63+\log_612  

1,5

2

2,5

3

9

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

V jakém intervalu leží hodnota logaritmu?

 log210\log_210  

(1; 2)

(2; 3)

(3; 4)

(4; 5)

(5; 10)

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Co je řešením rovnice?

 5x=105^x=10  

 22  

 log510\log_510  

 log105\log_{10}5  

 510^5\sqrt{10}  

jiná hodnota

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