Rješenja kvadratne jednadžbe $$\left(2x-1\right)^2=16$$ su

$$-\frac{3}{2}\ i\ \frac{5}{2}$$

Kako glase Vietèove formule?

$$x_1+x_2=-\frac{b}{a};\ \ x_1\cdot x_2=\frac{c}{a}$$

Rastavi na faktore: $$2x^2-5x-63$$ .

$$\left(2x+9\right)\left(x-7\right)$$ .

Kvadratni trinom $$2x^2-5x-3=0$$ rastavljen na faktore izgleda:

$$\left(x-3\right)\left(2x+1\right)$$

kvadratna jednadžba - ponavljanje Flashcards

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1.

FLASHCARD QUESTION

Front

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vodeći koeficijent

2.

FLASHCARD QUESTION

Front

Koliko rješenja ima svaka kvadratna jednadžba?

Back

dva

3.

FLASHCARD QUESTION

Front

Back

4i, -4i

4.

FLASHCARD QUESTION

Front

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5.

FLASHCARD QUESTION

Front

Koji je opći oblik kvadratne jednadžbe?

Back

6.

FLASHCARD QUESTION

Front

Kojom formulom tražimo rješenja kvadratne jednadžbe?

Back

7.

FLASHCARD QUESTION

Front

Kako izgleda diskriminanta kvadratne jednadžbe?

Back

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