OPERAŢII CU RADICALI

OPERAŢII CU RADICALI

7th - 8th Grade

9 Qs

quiz-placeholder

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OPERAŢII CU RADICALI

OPERAŢII CU RADICALI

Assessment

Quiz

Mathematics

7th - 8th Grade

Hard

Created by

Corina Purcărea

Used 31+ times

FREE Resource

9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Dacă scoatem factorii de sub radical din  600\sqrt{600} , obţinem:

 6106\sqrt{10}  

 3002300\sqrt{2}  

30

 10610\sqrt{6}  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

George, Maria, Andrei şi Ana au calculat produsul numerelor   x=32x=\sqrt{32} şi  y=42y=4\sqrt{2}  şi au obţinut rezultatele din tabel. Răspunsul corect a fost dat de:

George

Maria

Andrei

Ana

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

 Rezultatul calculului 26+96   este egal cu:Rezultatul\ calculului\ 2\sqrt{6}+\sqrt{96}\ \ \ este\ egal\ cu:  


 21122\sqrt{112}  

 828\sqrt{2}  

 666\sqrt{6}  

5

4.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Calculând  123 1212\sqrt{3}-\ \sqrt{12} , obţinem: 

 10310\sqrt{3}  

 14314\sqrt{3}  

 12612\sqrt{6}  

0

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (105)(32) \left(-10\sqrt{5}\right)\left(-3\sqrt{2}\right)\   este: 


 1502-150\sqrt{2}  

 3010-30\sqrt{10}  

 201520\sqrt{15}  

 301030\sqrt{10}  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 122+52\sqrt{12^2+5^2}  este egal cu:

17

7

13

15

7.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

  Produsul numerelor x=27şi y=57 \ \Pr odusul\ numerelor\ x=-2\sqrt{7}şi\ y=5\sqrt{7\ }  este: 


-70

 107-10\sqrt{7}  

35

75

8.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 Ca^tul numerelor 206şi 53      este egal cu:Câtul\ numerelor\ -20\sqrt{6}şi\ -5\sqrt{3\ \ \ }\ \ \ este\ egal\ cu:  


 253-25\sqrt{3}  

 424\sqrt{2}  

 42-4\sqrt{2}  

-75

9.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (23)2\left(-2\sqrt{3}\right)^2  este egal cu:

- 6

4

12

-2