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Evaluare clasa a VIII a

Authored by ZAMFIRA MOCANU

Mathematics

8th Grade

Used 129+ times

Evaluare clasa a VIII a
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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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