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1.g - Linearne jednadžbe i linearna funkcija

Authored by Gordana Divić

Mathematics

9th Grade

1.g - Linearne jednadžbe i linearna funkcija
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12 questions

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1.

OPEN ENDED QUESTION

15 mins • Ungraded

Riješi jednadžbu:  x+12+x13=1\frac{x+1}{2}+\frac{x-1}{3}=1  

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2.

OPEN ENDED QUESTION

15 mins • Ungraded

Napiši jednadžbu pravca koji prolazi sjecištem pravaca  x2y3=0x-2y-3=0  i   3x+4y4=03x+4y-4=0  okomito na os y.

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3.

OPEN ENDED QUESTION

15 mins • Ungraded

Brat je tri godine stariji od sestre. Ako zajedno imaju 31 godinu, koliko godina ima sestra, a koliko brat?

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4.

OPEN ENDED QUESTION

15 mins • Ungraded

Ako automobil za prelazak 90 km potroši 5.2 litre goriva koliko će ih potrošiti za 225 km?

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5.

OPEN ENDED QUESTION

15 mins • Ungraded

Riješi sustav jednadžbi:

 x2x2y3=15\frac{x}{2}-\frac{x-2y}{3}=\frac{1}{5} 

 y3+2xy2=65\frac{y}{3}+\frac{2x-y}{2}=\frac{6}{5}   


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6.

OPEN ENDED QUESTION

15 mins • Ungraded

Kolike su duljine ortogonalnih projekcija dužine AB\overline{AB}  na koordinatne osi ako je A(−2,3), B(3,−3)? 

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7.

OPEN ENDED QUESTION

15 mins • Ungraded

Što je nul-točka?

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