
ecuatia de gradul al 2 lea
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard

Lavinia Trincu
Used 11+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solutia nenula a ecuatiei 2x2+4x=0 este
0
2
-2
4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ecuatia 4x2+12x+9=0 are un nr de ....solutii
0
1
2
infinitate
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
fie ecuatia 2x2-mx+2=0 care admite solutia -1 atunci m este egal cu
-2
2
-4
4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pentru ecuatia 5x2-7x+2=0 discriminatul ecuatiei este
-89
-37
28
9
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Radacinile reale ale ecuatiei
1 si
-1 si
- si 1
-1 si -
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Fie ecuatia x2+4x +m=0 stiind ca ecuatia admite doua solutii reale distincte atunci m
(4; )
[4; )
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Valorile lui m pantru care ecuatia x2+mx+1=0 are o singura solutie reala sunt
2 si 4
2 si -2
-2 si 4
0
8.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Multimea solutiilor ecuatiei
{-1 ;- }
{1;-1}
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