KVADRATNA FUNKCIJA 2.c

KVADRATNA FUNKCIJA 2.c

10th Grade

10 Qs

quiz-placeholder

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KVADRATNA FUNKCIJA 2.c

KVADRATNA FUNKCIJA 2.c

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Hard

Created by

Martina Dolčić

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Graf kvadratne funkcije f(x)=(x+3)2+6f\left(x\right)=-\left(x+3\right)^2+6 bit će oblika: 

pravca

s otvorom prema gore

s otvorom prema dolje

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Koliko iznosi x-koordinata tjemena kvadratne funkcije f(x)=3x2 +4x+1f\left(x\right)=3x^{2\ }+4x+1  ?

 23-\frac{2}{3}  

 13-\frac{1}{3}  

 23\frac{2}{3}  

 43-\frac{4}{3}  

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Od ponuđenih točaka odaberi onu koja pripada grafu funkcije f(x)=2(x3)2 f\left(x\right)=2\left(x-3\right)^{2\ }  .


(3,0)

(-3,9)

(0,6)

(0,0)

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Graf kvadratne funkcije f(x)=(x2)2 1f\left(x\right)=\left(x-2\right)^{2\ }-1 dobit ćemo pomicanjem grafa funkcije  f1(x)=x2 f_1\left(x\right)=x^{2\ } 

lijevo za 2 i gore za 1

lijevo za 2 i dolje za 1

desno za 1 i dolje za 2

desno za 2 i dolje za 1

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Što vrijedi za vodeći koeficijent i diskriminantu kvadratne funkcije čiji je graf prikazan na slici?

a>0, D>0

a>0, D<0

a>0, D=0

a<0, D>0

a<0, D<0

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Koliko nul-točaka ima funkcija čiji je graf na slici?

1

2

3

0

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Media Image

Odredi jednadžbu koja pripada grafu funkcije sa slike.

f(x)=(x+3)21f\left(x\right)=\left(x+3\right)^2-1

f(x)=(x3)21f\left(x\right)=\left(x-3\right)^2-1

f(x)=(x+1)23f\left(x\right)=\left(x+1\right)^2-3

f(x)=(x1)23f\left(x\right)=\left(x-1\right)^2-3

f(x)=(x1)2+3f\left(x\right)=\left(x-1\right)^2+3

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