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Kratka provjera - sustavi linearnih jednadžbi

Authored by I. P.

Mathematics

7th Grade

Used 5+ times

Kratka provjera - sustavi linearnih jednadžbi
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9 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

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U ovom sustavu dviju linearnih jednadžbi ff  je

slobodni koeficijent.

koeficijent uz nepoznanicu.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Je li uređeni par  (4,1)\left(4,1\right)  rješenje jednadžbe  5x2y=195x-2y=19  ?

Da.

Ne.

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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Riješi metodom supstitucije, pa odaberi točno rješenje.

(3,2)\left(3,2\right)

(3,2)\left(-3,2\right)

(3,2)\left(3,-2\right)

(3,2)\left(-3,-2\right)

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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Riješi metodom suprotnih koeficijenata, pa odaberi točno rješenje.

 (15,18)\left(15,18\right)  

 (15,18)\left(15,-18\right)  

 (15,18)\left(-15,-18\right)  

 (15,18)\left(-15,18\right)  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Odaberi sustav koji odgovara idućem tekstu:


Ana je kupila olovke i gumice te ih platila 45kn. Olovke su bile 7kn skuplje od gumica.

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6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Sustav je zapisan u standardnom obliku.

Da.

Ne.

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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Odaberi standardni oblik danog sustava.

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