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Kvadratne jednadžbe

Authored by Kristian St.

Mathematics

9th - 12th Grade

Used 3+ times

Kvadratne jednadžbe
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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kako zovemo ovu jednadžbu?

x2 - 25x = 100

Linearna

Kvadratna

Obična jednadžba

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Koliko rješenja ima jednadžba?

x2 = 17x^2\ =\ 17  

Nema rješenja

1 rješenje

2 rješenja

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kvadratna jednadžba može imati:

jedno rješenje

dva rješenja

dva ili jedno rješenje

dva, jedno ili nijedno rješenje

4.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Odredi kvadratni, linearni i slobodni član:

−x2+2x−2=0-x^2+2x-2=0  

(a)  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Može li kvadratni član kvadratne jednadžbe biti 0?

Da

Ne

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Koje je rješenje jednadžbe?

x2 =100x^2\ =100  

10

-10

10 i -10

niti jedno od ponuđenog

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Koja od navedenih formula je točna?

x1,2=−b±(−b)2−4ac2ax1,2=\frac{-b\pm\sqrt[]{\left(-b\right)^2-4ac}}{2a}  

x1,2=b±−b2−4ac2ax1,2=\frac{b\pm\sqrt[]{-b^2-4ac}}{2a}  

x1,2=−b±b2−4ac2ax1,2=\frac{-b\pm\sqrt[]{b^2-4ac}}{2a}  

x1,2=−b±b2×4ac2ax1,2=\frac{-b\pm\sqrt[]{b^2\times4ac}}{2a}  

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