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Kvadratna jednadžba

Authored by zrinka korbar

Mathematics

10th Grade

Used 8+ times

Kvadratna jednadžba
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6 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Rješenje jednadžbe  x2+4=0x^2+4=0   je

-2, 2

4

-2i, 2i

nemoguće je dati točan odgovor

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Rješenje jednadžbe  6x2216=06x^2-216=0  je 

-6i, 6i

36

-6 , 6

-36,36

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Rješenja jednadžbe  52x225x=0\frac{5}{2}x^2-\frac{2}{5}x=0 su

 52, 25\frac{5}{2},\ \frac{2}{5}  

 0,2540,\frac{25}{4}  

 0,4250,\frac{4}{25}  

 425,0-\frac{4}{25},0  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Rješenje jednadžbe  x2+2x+1=0x^2+2x+1=0  je

-1

-1, 1

1

-i, i

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Rješenje jednadžbe 3x2+3x=0\sqrt{3}x^2+3x=0 je 

 3, 3\sqrt{3},\ 3  

 0, 30,\ \sqrt{3}  

3, 0

 3, 0-\sqrt{3},\ 0  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Rješenje jednadžbe  25x260x+36=025x^2-60x+36=0  je

 56\frac{5}{6}  

 65\frac{6}{5}  

 65-\frac{6}{5}  

 56-\frac{5}{6}  

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