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ecuatii in Z

Authored by Maria-Silvia Baciu

Mathematics

6th Grade

Used 54+ times

ecuatii in Z
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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Care din urmatoarele valori intregi sunt solutii ale ecuatiei -3x-5=4

2

-2

3

-3

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 Solutiile ecuatiei ∣x+2∣=−3 suntSolutiile\ ecuatiei\ \left|x+2\right|=-3\ sunt  

1

-5

3

 ϕ\phi  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 ecuatia ∣2x−7∣=3 are un numar de solutii intregi pozitiveecuatia\ \left|2x-7\right|=3\ are\ un\ numar\ de\ solutii\ intregi\ pozitive 

0

1

2

alt raspuns

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

x=-5 este solutie a ecuatiei 2(3x-4)-(2+3x)=x-20

adevarat

fals

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

suma a 6 numere consecutive este -3. Aceste numere sunt:

-5;-3;-1;0;1;5

-3;-2;-1;0;1;2

3;2;1;-1;-2;-3

-2;-1;0;1;2;3

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

aflati numarul, daca la dublul lui adunam 14 obtinem triplul sau micsorat cu 11

-20

-25

20

25

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Soluția ecuației X+3=7 este

3

4

5

7

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