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JEDNADŽBE S APSOLUTNIM VRIJEDNOSTIMA (1.DIO)

Authored by Petra Hiržin

Mathematics

9th Grade

Used 10+ times

JEDNADŽBE S APSOLUTNIM VRIJEDNOSTIMA (1.DIO)
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4 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Rješenje jednadžbe  x=12\left|x\right|=\frac{1}{2} je

 x=12x=\frac{1}{2}  

 x1=12x_1=\frac{1}{2}  i  x2=12x_2=-\frac{1}{2}  

 x=±12\left|x\right|=\pm\frac{1}{2}  

 x=12x=-\frac{1}{2}  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Jednadžba  3x+4=1\left|3x+4\right|=-1  ima: 

Točno dva rješenja!

Jedno rješenje!

Nema rješenja!

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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Riješi jednadžbu  63x=2.\left|6-3x\right|=2.  

 x1=43      x_1=\frac{4}{3}\ \ \ \ \ \   i  x2=83x_2=-\frac{8}{3}  

 x1=43     x_1=-\frac{4}{3}\ \ \ \ \   i  x2=83x_2=-\frac{8}{3}  

 x1=43   x_1=-\frac{4}{3}\ \ \   i   x2=83\ x_2=\frac{8}{3}  

  x2=83\ x_2=\frac{8}{3}  i x1=43      x_1=\frac{4}{3}\ \ \ \ \ \   

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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 Jednadžba x1+3=5\left|\left|x-1\right|+3\right|=5 ima ukupno: 

4 rješenja

3 rješenja

2 rješenja

niti jedno rješenje

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