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- Multiple ChoicePlease save your changes before editing any questions.
Solutia nenula a ecuatiei 2x2+4x=0 este
0
2
-2
4
- Multiple ChoicePlease save your changes before editing any questions.
Ecuatia 4x2+12x+9=0 are un nr de ....solutii
0
1
2
infinitate
- Multiple ChoicePlease save your changes before editing any questions.
fie ecuatia 2x2-mx+2=0 care admite solutia -1 atunci m este egal cu
-2
2
-4
4
- Multiple ChoicePlease save your changes before editing any questions.
Pentru ecuatia 5x2-7x+2=0 discriminatul ecuatiei este
-89
-37
28
9
- Multiple ChoicePlease save your changes before editing any questions.
Radacinile reale ale ecuatiei
1 si
-1 si
- si 1
-1 si -
- Multiple ChoicePlease save your changes before editing any questions.
Fie ecuatia x2+4x +m=0 stiind ca ecuatia admite doua solutii reale distincte atunci m
(4; )
[4; )
- Multiple ChoicePlease save your changes before editing any questions.
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
- Multiple ChoicePlease save your changes before editing any questions.
Multimea solutiilor ecuatiei
{-1 ;- }
{1;-1}