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Ecuatii

Authored by Nicolae Popa

Other

10th Grade

Used 27+ times

Ecuatii
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solutia ecuatiei  2x1=3\sqrt{2x-1}=3  este:

2

 12\frac{1}{2}  

5

9

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Rezolvati in multimea numerelor reale urmatoarea ecuatie: x23=3x\sqrt{x^2-3}=3-x  

3

9

0

2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solutia ecuatiei  5xx=1\sqrt{5-x}-\sqrt{x}=1 este:

1

  12\frac{1}{2}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solutia ecuatiei  x2x4=x6x7\frac{\sqrt{x}-2}{\sqrt{x}-4}=\frac{\sqrt{x}-6}{\sqrt{x}-7}  este:

1

1000

10

100

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Rezolvati urmatoarea ecuatie  3x=2x\sqrt{3-x}=-2x .

-1

-1 si  34\frac{3}{4}  

-1 si  43\frac{4}{3}  

-1 si - 34\frac{3}{4}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

O

Precizati solutiile ecuatiei  x=2x+3\sqrt{x}=2x+3  .

0

nu are solutii

1 si 0

4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Definitia ecuatiilor irationale este:

Ecuatiile irationale sunt ecuatiile care contin doar numere irationale si o necunoscuta.

Ecuatiile irationale sunt ecuatiile care au ca solutii doar numere irationale.

Ecuatiile irationale sunt ecuatiile care nu contin necunoscuta sub semnul radical.

Ecuatiile irationale sunt ecuatiile care contin necunoscuta sub semnul radical.

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