Testul numarul 1 – algebra

18 bonus points

72 successes

English

Radicali, algoritm, multimea numerelor reale.

Caraplix wrote on the blackboard only stupid things and signed with your name. Win this battle so Miss and your colleagues can see that you didn’t do it.

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Question 1 of 10

1. Question
1 points
Introducând factorii sub radical $3 \sqrt{6}$ , numărul este egal cu :
- $\sqrt{18}$
- $\sqrt{108}$
- $\sqrt{54}$
- $\sqrt{6}$
Correct

Incorrect
Question 2 of 10

2. Question
1 points
Scoateţi factorii de sub raricali $\sqrt{75}$ :
- $3 \sqrt{5}$
- $5 \sqrt{3}$
- $3 \sqrt{15}$
- $5 \sqrt{5}$
Correct

Incorrect
Question 3 of 10

3. Question
1 points
Dintre numerele $3 \sqrt{5}$ și $4 \sqrt{3}$ mai mare este:
- $3 \sqrt{5}$
- B
- D
- $4 \sqrt{3}$
Correct

Incorrect
Question 4 of 10

4. Question
1 points
Rădăcina pătrată a numărului 576 este:
- 288
- 576
- 24
- 36
Correct

Incorrect
Question 5 of 10

5. Question
1 points
Ordonaţi crescător: $2 \sqrt{5}; - 1 \frac{1}{2}; - \sqrt{5}; 5; - 0, (6); - 2$
- $- \sqrt{5}; - 2; - 1 \frac{1}{2}; - 0, (6); 2 \sqrt{5}; 5$
- $- 0, (6); - \sqrt{5}; - 2; - 1 \frac{1}{2}; 2 \sqrt{5}; 5$
- $- 0, (6); - 1 \frac{1}{2}; - 2; - \sqrt{5}; 2 \sqrt{5}; 5$
- E
Correct

Incorrect
Question 6 of 10

6. Question
1 points
$|2 - \sqrt{5}| =$
- M
- N
- $2 - \sqrt{5}$
- $\sqrt{5} - 2$
Correct

Incorrect
Question 7 of 10

7. Question
1 points
$\sqrt{30976}$ =
- 176
- 15488
- 184
- 167
Correct

Incorrect
Question 8 of 10

8. Question
1 points
Valoarea de adevăr a propoziției ˮ1,41421356....... este număr iraționalˮ este
- Adevărat
- N
- M
- Fals
Correct

Incorrect
Question 9 of 10

9. Question
1 points
$\sqrt{10^{2} + 30^{2} - 18^{2}} =$
- 25
- 38
- 22
- 26
Correct

Incorrect
Question 10 of 10

10. Question
1 points
Rezultatul calculului $\sqrt{13^{2} - 5^{2}} =$
- 12
- 6
- 8
- 18
Correct

Incorrect

Examples of questions from "Testul numarul 1 – algebra"

Valoarea de adevăr a propoziției ˮ1,41421356....... este număr iraționalˮ este
$|2 - \sqrt{5}| =$
$\sqrt{30976}$ =

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