Probni ispit iz matematike za 2. IZ

Probni ispit iz matematike za 2. IZ

10th Grade

16 Qs

quiz-placeholder

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Probni ispit iz matematike za 2. IZ

Probni ispit iz matematike za 2. IZ

Assessment

Quiz

Mathematics

10th Grade

Medium

Created by

Antonia Pocrnić

Used 2+ times

FREE Resource

16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Koji je opći oblik kvadratne jednadžbe? 

 x2+bx+c=0x^2+bx+c=0  

 ax2+bx+c=0ax^2+bx+c=0  

 ax2+x+c=0ax^2+x+c=0  

 ax2+bx=0ax^2+bx=0  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Koja su rješenja kvadratne jednadžbe  x2+5x+6=0x^2+5x+6=0 

-2 i 3

-3 i 2

-2 i -3

2 i 3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kojom formulom tražimo rješenja kvadratne jednadžbe?

x1,2=b±b24ac2ax_{1,2}=\frac{b\pm\sqrt{b^2-4ac}}{2a}

x1,2=bb24ac2ax_{1,2}=\frac{-b\sqrt{b^2-4ac}}{2a}

x1,2=b±b24ac2ax_{1,2}=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

x1,2=b±b24ac4ax_{1,2}=\frac{-b\pm\sqrt{b^2-4ac}}{4a}

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kako izgleda diskriminanta kvadratne jednadžbe?

b24acb^2-4ac

b24ac\sqrt{b^2-4ac}

b4acb-4ac

4acb24ac-b^2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Izračunaj diskriminantu kvadratne jednadžbe  4x24x3=04x^2-4x-3=0  

64

 4i24i\sqrt{2}  

8

-32

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Odredi tip rješenja kvadratne jednadžbe  3x2+5x7=03x^2+5x-7=0  

realna i različita rješenja

realno dvostruko rješnje

nema realnih rješenja

jedno realno i jedno kompleksno rješenje

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kako glase Vietèove formule?

x1+x2=ba; x1x2=cax_1+x_2=\frac{b}{a};\ \ x_1\cdot x_2=-\frac{c}{a}

x1+x2=ba; x1x2=cax_1+x_2=-\frac{b}{a};\ \ x_1\cdot x_2=-\frac{c}{a}

x1+x2=ba; x1x2=cax_1+x_2=\frac{b}{a};\ \ x_1\cdot x_2=\frac{c}{a}

x1+x2=ba; x1x2=cax_1+x_2=-\frac{b}{a};\ \ x_1\cdot x_2=\frac{c}{a}

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