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Potence in koreni 1

Authored by Vesna Parkelj

Mathematics

12th Grade

Used 5+ times

Potence in koreni 1
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6 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Poenostavi:  (x5y2)3(x6y5)2: (x3y4)\left(-x^5y^{-2}\right)^{-3}\cdot\left(x^6y^{-5}\right)^2:\ \left(x^{-3}y^{-4}\right)  

 x6y8-x^{-6}y^{-8}  

 11  

 1-1  

 x6y8x^6y^8  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Poenostavi 2x38x13\sqrt{2x^3}\cdot\sqrt{8x^{13}}  

 4x44x^4  

 4x84x^8  

 8x88x^8  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Poenostavi:  50x182x8\frac{\sqrt{50x^{18}}}{\sqrt{2x^8}}  

 5x35x^3  

 5x55x^5  

nič od naštetega

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

  \   Delno koreni in izračunaj:  200332+618=\sqrt{200}-3\sqrt{32}+6\sqrt{18}=  

 16216\sqrt{2}  

6

 10268+110\sqrt{2}-6\sqrt{8}+1  

 2-2  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Racionaliziraj 2+35\frac{2+\sqrt{3}}{\sqrt{5}}  

 10+1510+\sqrt{15}  

 25+155\frac{2\sqrt{5}+\sqrt{15}}{5}  

 2175\frac{2\sqrt{17}}{5}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Racionaliziraj 321\frac{3}{\sqrt{2}-1}  

 52\frac{5}{2}  

 3(2+1)2\frac{3\left(\sqrt{2}+1\right)}{2}  

 32+33\sqrt{2}+3  

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