Evaluare clasa a VIII a
Authored by ZAMFIRA MOCANU
Mathematics
8th Grade
Used 129+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Soluţia ecuaţiei x + 4 = 3, este:
-1
2
3
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Soluţia ecuaţiei : ( x +4 )/ 2 - ( x -1 ) / 3 = - 2
3
5
26
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Două ecuaţii sunt echivalente dacă :
au aceiaşi coeficienti
au aceeaşi mulţime de soluţii
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pentru ecuaţia : x +2y - 3 = 0, este soluţie perechea :
( 1, 0 )
( -1 , 2 )
( 1, 1 )
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Două sisteme de ecuaţii sunt echivalente dacă :
coeficienţii sunt proporţionali
ecuaţiile sunt identice
au aceeaşi mulţime de soluţii
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pentru sistemul x = 2 şi 3x - 6 y = 6, soluţia este perechea :
( 3, 4 )
( 2, 0 )
( 2, 3 )
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Soluţia sistemului 1/4 x + 2,3y = -1 şi y = 0 este perechea:
( -4, 0 )
( 3/8, 2/3 )
( 0, -4 )
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