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Kvadratne funkcije

Authored by Ruzica Juras

Mathematics

University

Used 9+ times

Kvadratne funkcije
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Dan dijagram predstavlja funkciju.

DA

NE

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Dan dijagram funkcije je injekcija.

DA

NE

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Odredi prirodnu domenu funkcije:

 f(x)=2x+1f\left(x\right)=2x+1  

 Df = x RD_{f\ }=\ x\ \inℝ  

 Df=xR{12}D_f=x\inℝ\setminus\left\{\frac{1}{2}\right\}  

 Df=xR{2}D_f=x\inℝ\setminus\left\{2\right\}  

 Df=xR{0}D_f=x\inℝ\setminus\left\{0\right\}  

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

Koji od slijedećih skupova točaka je graf funkcije?

a

b

c

d

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Graf kvadratne funkcije je :

pravac

elipsa

parabola

hiperbola

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Smjer otvorenosti parabole ovisi o :

linearnom koeficijentu

vodećem koeficijentu

slobodnom koeficijentu

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Odredi nul-točke funkcije 𝑓(𝑥)=𝑥24𝑓(𝑥)=𝑥^2−4  

 x= ±2ix=\ \pm2i  

 x=±4x=\pm4  

 x=±2x=\pm2  

 x=2x=2  

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