Ecuatii Quiz

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

2

$\frac{1}{2}$

5

9

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

3

9

0

2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

1

4

2

$\frac{1}{2}$

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

1

1000

10

100

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

-1

-1 si $\frac{3}{4}$

-1 si $\frac{4}{3}$

-1 si - $\frac{3}{4}$

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

O

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

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.

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$\sqrt{2x+3}=4x$ Solutia ecuatiei este:

4

$\frac{1}{2}$

$-\frac{3}{8}\$

5

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$\sqrt{2x+3}=5$ Solutia ecuatiei este:

1

11

2

7

10.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Rezolvati ecuatia $\sqrt{x}+\sqrt{x+3}\ +\sqrt{x+8}=6$

1

4

2

7

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Ecuatii

Solutia ecuatiei 2x−1=3\sqrt{2x-1}=32x−1​=3 este:

Rezolvati in multimea numerelor reale urmatoarea ecuatie: x2−3=3−x\sqrt{x^2-3}=3-xx2−3​=3−x

Solutia ecuatiei 5−x−x=1\sqrt{5-x}-\sqrt{x}=15−x​−x​=1 este:

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

Rezolvati urmatoarea ecuatie 3−x=−2x\sqrt{3-x}=-2x3−x​=−2x .

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

Definitia ecuatiilor irationale este:

2x+3=4x\sqrt{2x+3}=4x2x+3​=4x Solutia ecuatiei este:

2x+3=5\sqrt{2x+3}=52x+3​=5 Solutia ecuatiei este:

Rezolvati ecuatia x+x+3 +x+8=6\sqrt{x}+\sqrt{x+3}\ +\sqrt{x+8}=6x​+x+3​ +x+8​=6

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

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

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

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

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

O

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

$\sqrt{2x+3}=4x$ Solutia ecuatiei este:

$\sqrt{2x+3}=5$ Solutia ecuatiei este:

Rezolvati ecuatia $\sqrt{x}+\sqrt{x+3}\ +\sqrt{x+8}=6$