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Test inițial - clasa a 9 a (tehnologic)

Authored by Monica Dumitrache

Mathematics

9th Grade

Used 17+ times

Test inițial - clasa a 9 a (tehnologic)
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33 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Mulțimea numerelor întregi se notează cu litera:

R

N

Z

Q

2.

MULTIPLE CHOICE QUESTION

2 mins • 3 pts

1

2

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

(23)5·22:216 = ...

2

4

26

215

4.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

Dacă 3 pixuri costă 4,5 lei atunci 10 pixuri costă ....

15

13,5

14,5

10

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Expresia ( 4x – 1)2 este egală cu:

16x2 -1

16x2 -8x + 1

16x2 + 1

16x2 -8x + 2

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

 122775=\sqrt{12}-\sqrt{27}-\sqrt{75}=  

 63-6\sqrt{3}  

 65-6\sqrt{5}  

0

 53-5\sqrt{3}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

Scrisă sub formă de interval mulțimea

A = {x∈ℝ/-1 ≤ x < 5} este egală cu ... .

(-1;5]

[-1;5]

[-1;5)

(-1;5)

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