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Kvadratna funkcija

Authored by Josipa Marković

Mathematics

10th Grade

Used 3+ times

Kvadratna funkcija
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9 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Očitaj koeficijente a, b i c funkciji⁣ f(x)=3x2+5x-6

a=3 , b=5, c=6

a=3 , b=5, c=-6

a=3 , b=-5, c=6

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Linearni koeficijent u kvadratnoj funkciji f(x)=4x2+7x+2 iznosi

(a)  

3.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

Izračunaj vrijednost funkcije ⁣f(x)=x2-4x+7    za x=2

(a)  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Koja točka pripada grafu funkcije⁣  f(x)=x2

A(-2,-4)

B(1,2)

C(-2,4)

D(-1,2)

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Kada je a<0, parabola je okrenuta prema 

gore

dolje

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Kada je D>0, kvadratna jednadžba ima

jedno dvostruko rješenje

dva realna i različita rješenja

dva kompleksno konjugirana rješenja

7.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

Riješi kvadratnu jednadžbu x2-49=0

(a)  

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