
Ecuatii de gradul 1 cu o necunoscuta
Authored by natalia mecicari
Mathematics
1st - 2nd Grade
Used 8+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Doua ecuatii se numesc echivalente cind
au acellasi x
au aceiasi solutie
au acelasi DVA
Au aceleasi numere
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
DVA al raportului (3x-5)/(2x-7)
x=7/2
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Egaliatea expresiilor 3x+4 si 2x-5 este adevarata pentru x =
9
-9
5
1/5
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Solutia ecuatiei 2x-1=9 este
5
-5
4
-4
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Solutia ecuatiei 9x+18=0 este
-2
2
0
1/2
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
0,8x -3,5=-1,2x+0,5
2
-2
0,2
-0,2
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Aflati valoarea lui x pentru care 8x+3 este de 3 ori mai mare decit valoarea expresiei 5x-6
3
-3
-3/5
3/5
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