OPERAȚII RADICALI

OPERAȚII RADICALI

7th - 8th Grade

6 Qs

quiz-placeholder

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OPERAȚII RADICALI

OPERAȚII RADICALI

Assessment

Quiz

Mathematics

7th - 8th Grade

Medium

Created by

MOLDOVAN GHITA

Used 22+ times

FREE Resource

6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

După introducerea sub radical   4\sqrt{3}   obȚinem  ………..

 42\sqrt{42}  

 48\sqrt{48}  

 40\sqrt{40}  

 50\sqrt{50}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Rezultatul calculului   43354\sqrt{3}\cdot3\sqrt{5}  este egal cu...

12

 122012\sqrt{20}  

 121512\sqrt{15}  

 123212\sqrt{32}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media geometrică a numerelor 9 și 25 este

9

25

225

15

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculați media aritmetică și media geometrică a numerelor a= 757-\sqrt{5}  și b= 7+57+\sqrt{5}  

10;45

14;40

7 ;44

14 +25+2\sqrt{5}  ; 20

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Opusul numărului     35+27-3\sqrt{5}+2\sqrt{7}               este....

3 5+27\sqrt{5+2\sqrt{7}}  

 3527-3\sqrt{5}-2\sqrt{7}  

 35273\sqrt{5}-2\sqrt{7}  

5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 23+353+257545+272\sqrt{3}+\sqrt{3}-5\sqrt{3}+2\sqrt{5}-7\sqrt{5}-\sqrt{45}+\sqrt{27}  Calculați:    

 533\sqrt{5}-3\sqrt{3}  

 3+85-\sqrt{3}+8\sqrt{5}  

 385\sqrt{3}-8\sqrt{5}  

 33553\sqrt{3}-5\sqrt{5}