test radicali

test radicali

10th Grade

9 Qs

quiz-placeholder

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test radicali

test radicali

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Medium

Created by

Daniela Milea

Used 584+ times

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculați  520=\sqrt{5}\cdot\sqrt{20}=   

10

12

20

15

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

      calculați            5072+98=\sqrt{50}-\sqrt{72}+\sqrt{98}=  


 626\sqrt{2}  

 525\sqrt{2}  

 727\sqrt{2}  

 424\sqrt{2}  

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

    calculați     30,027=^3\sqrt{0,027}=  


0,2

0,3

0,9

0,1

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

  calculați    3162 3543128=^3\sqrt{16}-2^{\ 3}\sqrt{54}-^3\sqrt{128}=  


 8 32-8\ \cdot^3\sqrt{2}  

 6 32-6\ \cdot^3\sqrt{2}  

 432-4\cdot^3\sqrt{2}  

 8328\cdot^3\sqrt{2}  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

calculați

 32+103210=^3\sqrt{\sqrt{2}+\sqrt{10}}\cdot^3\sqrt{\sqrt{2}-\sqrt{10}}=  

-3

-4

-10

-2

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

calculați

 (3135)(31+35+325)=\left(^3\sqrt{1}-^3\sqrt{5}\right)\cdot\left(^3\sqrt{1}+^3\sqrt{5}+^3\sqrt{25}\right)=  

-4

-1

-5

4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

raționalizați fracția

 312=\frac{3}{\sqrt{12}}=  

 32\frac{\sqrt{3}}{2}  

 32\frac{3}{2}  

 33\frac{\sqrt{3}}{3}  

 13\frac{1}{3}  

8.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 1332=\frac{1}{3\cdot^3\sqrt{2}}=  rationalizați

 346\frac{^3\sqrt{4}}{6}  

 332\frac{^3\sqrt{3}}{2}  

 382\frac{^3\sqrt{8}}{2}  

 23\frac{2}{3}  

9.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

calculați

   625516+255+1=\ \ \frac{6-2\sqrt{5}}{\sqrt{5}-1}-\frac{6+2\sqrt{5}}{\sqrt{5}+1}=  

-1

-2

0

+1