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Logaritmy + rovnice

Authored by Jiří Jahoda

Mathematics

11th - 12th Grade

10 Questions

CCSS covered

Used 28+ times

Logaritmy + rovnice
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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Vztah  y=logaxy=\log_ax  můžeme přepsat jako

 y=axy=a^x  

 a=xya=x^y  

 x=ayx=a^y  

 a=yxa=y^x  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kolik je  log101000\log_{10}1000  ?

2

3

4

10

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 log61=...\log_61=...  

0

1

2

3

Tags

CCSS.HSF.BF.B.5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 log51004=...\log_5\frac{\text{100}}{\text{4}}=...  

0

1

2

3

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 log235=...\log_2^{ }3^5=...  

 2log352\log_35  

 3log523\log_52  

 5log235\log_23  

 log3(5)2\log_3\left(5\right)^2  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 log28+log24=...\log_28+\log_24=...  

5

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8

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jaké jsou podmínky pro rovnici  log2(x3)=3\log_2\left(x-3\right)=3  ?

 x3x\ne3  

 x>3x>3  

 x<3x<3  

 x3x\ge3  

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