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Eksponencijalna i logaritamska funkcija

Authored by darka friganović

Mathematics

3rd Grade

CCSS covered

Used 3+ times

Eksponencijalna i logaritamska funkcija
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34 questions

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1.

FILL IN THE BLANKS QUESTION

30 sec • 1 pt

2b   Odredi x ako je  log⁡2x=4\log_2x=4  

(a)  

2.

FILL IN THE BLANKS QUESTION

30 sec • 1 pt

2b Odredi x ako je:  5x=1255^x=125  



(a)  

3.

FILL IN THE BLANKS QUESTION

30 sec • 1 pt

2b    Odredi x ako je  log⁡255=x\log_{25}\sqrt{5}=x  

(a)  

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Zapiši jednakost u obliku logaritma:  2^{\frac{3}{2}}=\ 2\sqrt{2}  

 log⁡222=32\log_22\sqrt{2}=\frac{3}{2}  

 log⁡3222=2\log_{\frac{3}{2}}2\sqrt{2}=2  

 log⁡222=32\log_{2\sqrt{2}}2=\frac{3}{2}  

 log⁡2232=2\log_{2\sqrt{2}}\frac{3}{2}=2  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Funkcija 

 f(x)=(18)5−xf\left(x\right)=\left(\frac{1}{8}\right)^{5-x}  jednaka je funkciji:

 2x−52^{x-5}  

 23x−152^{3x-15}  

 215−3x2^{15-3x}  

 25x−32^{5x-3}  

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Rješenje jednadžbe 13⋅ 3x+2= (13)x−32\frac{1}{3}\cdot\ \sqrt{3^{x+2}}=\ \left(\frac{1}{3}\right)^{x-\frac{3}{2}}  

je broj čija je vrijednost jednaka:

4

3

2

1

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Izračunaj vrijednost izraza:  2−log⁡40.92^{-\log_40.9}  

 310\frac{3}{\sqrt{10}}  

 310\frac{3}{10}  

 103\frac{\sqrt{10}}{3}  

 103\frac{10}{3}  

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