Recapitulare matematică clasa a VI-a (1) – Semestrul I

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English

Quiz-ul abordează recapitularea materiei de matematică din Semestrul I- clasa a VI-a- Algebra

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Question 1 of 9

1. Question
1 points
${(\frac{3}{\sqrt{3}} + \frac{6}{\sqrt{12}} - \frac{60}{\sqrt{48}})}^{1} =$
- $3 \sqrt{3}$
- 0
- $- 3 \sqrt{3}$
- 1
Correct

Incorrect
Question 2 of 9

2. Question
1 points
$M e d i a g e o m e t r i c ă a n u m e r e l o r a = 2 \sqrt{2}, b = 8 \sqrt{8} e s t e e g a l ă c u$
- 8
- 16
- 4
- 64
Correct

Incorrect
Question 3 of 9

3. Question
1 points
$D i n t r e n u m e r e l e a = 5 \sqrt{3} ș i b = 6 \sqrt{2}, e s t e m a i m i c n u m ă r u l$
- $b p e n t r u c ă 2 < 3$
- $a p e n t r u c ă 5 < 6$
- $b p e n t r u c ă 72 < 75$
- $a p e n t r u c ă s e r e p r e z i n t ă p e a x ă î n s t â n g a l u i b$
Correct

Incorrect
Question 4 of 9

4. Question
1 points
$R e z u l t a t u l c a l c u l u l u i \sqrt{81} + \sqrt{64} : \sqrt{4} e s t e e g a l c u$
- $\sqrt{36, 025}$
- 13
- 8,5
- $\sqrt{97}$
Correct

Incorrect
Question 5 of 9

5. Question
1 points
$Î n u r m a r a ţ i o n a l i z ă r i i n u m i t o r u l u i f r a c ţ i e i \frac{5}{6 \sqrt{5}} s e o b ț i n e$
- $\frac{\sqrt{5}}{6}$
- $\frac{5}{6}$
- $\frac{\sqrt{6}}{5}$
- $\frac{30}{\sqrt{5}}$
Correct

Incorrect
Question 6 of 9

6. Question
1 points
$S o l u ț i a n a t u r a l ă a e c u a ț i e i 2 x^{2} = 50 e s t e$
- 25
- 5
- $\pm 5$
- -5
Correct

Incorrect
Question 7 of 9

7. Question
1 points
$\sqrt{300} + 2 \sqrt{27} - 3 \sqrt{75} + \sqrt{192} =$
- $\sqrt{323}$
- 0
- $18 \sqrt{3}$
- $9 \sqrt{3}$
Correct

Incorrect
Question 8 of 9

8. Question
1 points
$\sqrt{24} \cdot \sqrt{15} + \sqrt{15} \cdot \sqrt{6} - \sqrt{15} = . . . A l e g e ț i v a r i a n t a f a l s ă$
- $\sqrt{15} (\sqrt{24} + \sqrt{6} - 1)$
- $\sqrt{15} (3 \sqrt{6} - 1)$
- $\sqrt{15} (\sqrt{24} + \sqrt{6}) - 1$
- $9 \sqrt{10} - \frac{5 \sqrt{3}}{\sqrt{5}}$
Correct

Incorrect
Question 9 of 9

9. Question
1 points
$|- 3 \sqrt{3} + 4 \sqrt{2}| =$
- $3 \sqrt{3} + 4 \sqrt{2}$
- $3 \sqrt{3} - 4 \sqrt{2}$
- $- 3 \sqrt{3} + 4 \sqrt{2}$
- $- 3 \sqrt{3} - 4 \sqrt{2}$
Correct

Incorrect

Examples of questions from "Recapitulare matematică clasa a VI-a (1) – Semestrul I"

$D i n t r e n u m e r e l e a = 5 \sqrt{3} ș i b = 6 \sqrt{2}, e s t e m a i m i c n u m ă r u l$
${(\frac{3}{\sqrt{3}} + \frac{6}{\sqrt{12}} - \frac{60}{\sqrt{48}})}^{1} =$
$|- 3 \sqrt{3} + 4 \sqrt{2}| =$