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12 kl nr 2

Authored by Nijolė Grigorjevienė

Mathematics

Professional Development

Used 7+ times

12 kl nr 2
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10 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Kvadratinė lygtis turi 2 sprendinius , kai diskrinimantas yra koks?

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Kvadratinė lygtis turi vieną sprendinį, jei diskriminantas koks?

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

a x2x^2  +bx +c  ==  0, neturi realiųjų sprendinių,kai

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

 x1 x_{1\ }  + x2x_2   ==  ?

Vijetos teorema sako

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

 x1x2 =x_1\cdot x_{2\ }=  ? Vijetos teorema

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

 x2 + 7x +12 =0x^2\ +\ 7x\ +12\ =0  

Taikydami Vijetos teorema, išspreskite lygtį

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

 x2 5x +4 =0x^2\ -5x\ +4\ =0  Taikydami Vijetos teorema raskite sprendinius

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