
Ecuații de gr. II- ind.
Authored by Tamara Popovici
Mathematics
8th Grade
Used 18+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Dacă a=-2, b=-1, c=5. Atunci ecuaţia de gradul doi este:
-2x2+x+5=0
2x2 - x+5=0
-2x2 - x+5=0
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Fie -6x + 3x2 +1 =0, coeficientul b =
3
6
-6
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Fie -5x2 - 10 = 0, coeficientul c =
-10
0
10
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Ecuaţia -2x2 +x -5 =0 are
o soluţie dublă
două soluţii distincte
nu are soluţii
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Fie x2+8x-3=0, aplicând relaţiile lui Viete determinaţi suma soluţiilor:
8
-8
-3
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Fie 3x2-9x+12=0, aplicând relaţiile lui Viete determină produsul soluţiilor
4
3
12
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Fie x1=4 şi x2= -1. Ecuaţia de gradul II cu aceste soluţii este:
x2 -3x -4=0
x2 +3x -4=0
x2 +3x +4=0
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