Funcţia de gradul al II-lea
Quiz
•
Mathematics
•
8th - 9th Grade
•
Practice Problem
•
Medium
Raluca C
Used 10+ times
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10 questions
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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
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
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
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 BLANK QUESTION
45 sec • 1 pt
Funcția de gradul al II - lea va avea 2 soluţii reale diferite atunci când determinantul funcției este:
7.
OPEN ENDED QUESTION
5 mins • 1 pt
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