
Ecuatii si sisteme de ecuatii
Authored by Elena Pavel
Mathematics
6th - 8th Grade
Used 6+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Soluţia reală a ecuaţiei -2x + 11 =7 este ....
-2
-4
4
2
2.
FILL IN THE BLANKS QUESTION
2 mins • 1 pt
b) Dacă 1 este soluţie a ecuaţiei 2(x – 2) = m(x – 3), atunci valoarea lui m este ...
(a)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solutia, in mulţimea numerelor reale, a ecuaţiei date este:
-2
√2
2
-√2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Valorile reale ale lui x pentru care |2x-3| = 5, sunt {-1,4}.
Adevarat
Fals
5.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Solutia sistemului de ecuatii, este:
{0,1}
{1,0}
{-1,1}
{-1.0}
6.
FILL IN THE BLANKS QUESTION
2 mins • 1 pt
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Solutia in multimea numerelor intregi a ecuatiei: x2-1=3 este
2
-2
1
3
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