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Logaritmus azonosságai

Authored by Magdolna Szép

Mathematics

11th - 12th Grade

Used 4+ times

Logaritmus azonosságai
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6 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 log35+log3x\log_35+\log_3x  Mennyivel egyenlő a

 log3(x+5)\log_3\left(x+5\right)  

 log3(5x)\log_3\left(5x\right) 

 log35log3x\log_35\cdot\log_3x  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 3log2log53\log2-\log5  Mennyi az értéke?

 log8log5\frac{\log8}{\log5}  

 log9log5\log9-\log5  

 log 85\log\ \frac{8}{5}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 log42+log48+log44\log_42+\log_48+\log_44  Határozd meg az értékét!

 log414\log_414  

 33  

 log420\log_420  

 6464  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 log25+log2xlog2ylog23 \log_25+\log_2x-\log_2y-\log_23\   mivel egyenlő?

 log2  5x3y\log_{2\ }\ \frac{5x}{3y}  

 log2(5x)log2(y3)\log_2\left(5x\right)-\log_2\left(\frac{y}{3}\right)  

 log2(5x)log2(3y)\frac{\log_2\left(5x\right)}{\log_2\left(3y\right)}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 log62+log63+log630log65=\log_62+\log_63+\log_630-\log_65=  

 11  

 22  

 33  

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

 2lg5+lg2+lg8lg4=2\lg5+\lg2+\lg8-\lg4=  

 11   

 22  

 33  

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