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Ecuatii de gradul 1 cu o necunoscuta

Authored by natalia mecicari

Mathematics

1st - 2nd Grade

Used 8+ times

Ecuatii de gradul 1 cu o necunoscuta
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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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