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Ecuatii si sisteme de ecuatii

Authored by Elena Pavel

Mathematics

6th - 8th Grade

Used 6+ times

Ecuatii si sisteme de ecuatii
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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

Media Image

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

Media Image

                    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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