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ISPRAVAK 3. ISPITA ZNANJA

Authored by Antonia Pocrnić

Mathematics

9th Grade

Used 2+ times

ISPRAVAK 3. ISPITA ZNANJA
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16 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Koje je negativno rješenje jednadžbe  122x=32\left|\frac{1}{2}-2x\right|=\frac{3}{2}  ?

 32\frac{-3}{2}  

-1

 12\frac{-1}{2}  

nema negativnih rješenja

2.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Jednadžba   53x12+23=0\left|\frac{5}{3}x-\frac{1}{2}\right|+\frac{2}{3}=0  ima

jedno rješenje

dva rješenja

nema rješenja

beskonačno mnogo rješenja

3.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

Jednadžba  2x49=2\left|\left|2x-4\right|-9\right|=2  ima

jedno rješenje

dva rješenja

tri rješenja

četiri rješenja

4.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Koji je zbroj rješenja jednadžbe  3x+23=13\left|3x+\frac{2}{3}\right|=\frac{1}{3}  

 49\frac{-4}{9}  

 89-\frac{8}{9}  

0

 49\frac{4}{9}  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Skrati

6xy(1+2x)\frac{6}{xy\left(1+2x\right)}

(1+2x)6xy\frac{\left(1+2x\right)}{6xy}

xy6(12x)\frac{xy}{6\left(1-2x\right)}

y6x(12x)\frac{y}{6x\left(1-2x\right)}

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Sredi

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Media Image
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7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 4a296a4a2\frac{4a^2-9}{6a-4a^2}  

 (2a+3)2a\frac{-\left(2a+3\right)}{2a}  

 3-3  

 32a-\frac{3}{2a}  

 2a+32a\frac{-2a+3}{2a}  

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