Racionalización

Racionalización

9th Grade

13 Qs

quiz-placeholder

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Racionalización

Racionalización

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

Created by

Julian Betancur

Used 222+ times

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Solo las expresiones con radicales de indice dos se pueden racionalizar

Falso

Verdadero

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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 3 52\frac{-3\ }{\sqrt{5}-\sqrt{2}}  Al racinalizar esta expresión el rsultado es:

 3 (5+2)21\frac{3\ \left(\sqrt{5}+\sqrt{2}\right)}{21}  

 5+2\sqrt{5}+\sqrt{2}  

 52-\sqrt{5}-\sqrt{2}  

 52 3\frac{\sqrt{5}-\sqrt{2}\ }{3}  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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 3133^{\frac{1}{3}}  La expresión que permite racionalizar este valor es:

 3233^{\frac{2}{3}}  

 3133^{\frac{1}{3}}  

 3123^{\frac{1}{2}}  

 3\sqrt{3}  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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El factor que permite obtener una raíz exacta de
 amn a^{\frac{m}{n}}\  cuando  m<nm<n   es:

 amna^{\frac{m}{n}}  

 anmma^{\frac{n-m}{m}}  

 amnna^{\frac{m-n}{n}}  

 anmna^{\frac{n-m}{n}}  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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 (3)(13)\left(3\right)\left(\sqrt{\sqrt{\frac{1}{3}}}\right)  Selecciona la operación que permite racionalizar esta expresión 

 (3)(13)(133)=3\left(3\right)\left(\sqrt{\sqrt{\frac{1}{3}}}\right)\left(\sqrt{\frac{1}{3^3}}\right)=3  

 (3)(13)(133)=1\left(3\right)\left(\sqrt{\sqrt{\frac{1}{3}}}\right)\left(\frac{1}{\sqrt{\sqrt{3^3}}}\right)=1  

 (3)(13)(13)=1\left(3\right)\left(\sqrt{\sqrt{\frac{1}{3}}}\right)\left(\sqrt{\sqrt{\frac{1}{3}}}\right)=1  

 (3)(13)(133)=1\left(3\right)\left(\sqrt{\sqrt{\frac{1}{3}}}\right)\left(\frac{1}{\sqrt{3^3}}\right)=1  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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 633\frac{6}{3-\sqrt{3}}  La expresión racionalizada queda igual a:

 11  

 3+33\frac{3+\sqrt{3}}{3}  

 333-\sqrt{3}  

 3+33+\sqrt{3}  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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