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Funcţia de gradul al II-lea

Authored by Raluca C

Mathematics

8th - 9th Grade

Used 10+ times

Funcţia de gradul al II-lea
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Se consideră funcţia f:R→R,f(x)=x2−3x+2.

f:R→R,f(x)=x2−3x+2. Să se calculeze f ( f (0) )- f(2)

-1

6

0

2

2.

DRAW QUESTION

3 mins • 1 pt

Reprezentaţi în cadrul urmãtorului sistem de coordonate graficul funcţiei : f(x)=x2−x−2

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3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Se consideră ecuaţia x2+3x-5=0 cu soluţiile x1 şi x2. Să se calculeze x12+x22.

21

0

19

24

4.

MULTIPLE CHOICE QUESTION

45 sec • Ungraded

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Este corectă formula din imaginea alăturatã?

DA

NU

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

3. Se consideră funcţia f:R→R,f(x)=x2−3x+2.

Să se calculeze f(0)·f(1)·f(2)·...·f(2012)

0

2012

2010

100

Answer explanation

f(2) = 0 --> orice produs care conține f(2) va fi 0.

6.

FILL IN THE BLANKS QUESTION

45 sec • 1 pt

Funcția de gradul al II - lea va avea 2 soluţii reale diferite atunci când determinantul funcției este:

(a)  

7.

OPEN ENDED QUESTION

5 mins • 1 pt

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