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TEMA 1: NÚMEROS REALES

Authored by Javier Lacosta

Mathematics

11th Grade

Used 70+ times

TEMA 1: NÚMEROS REALES
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36 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Racionalizar el siguiente denominador y simplificar:  33\frac{3}{\sqrt{3}}   

 3\sqrt{3}  

 333\sqrt{3}  

 33  

 33\frac{\sqrt{3}}{3}  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Racionalizar el siguiente denominador y simplificar: 25+3\frac{2}{\sqrt{5}+\sqrt{3}}  

 53\sqrt{5}-\sqrt{3}  

 5+3\sqrt{5}+\sqrt{3}  

 (53)2\frac{\left(\sqrt{5}-\sqrt{3}\right)}{2}  

 2(53)2\left(\sqrt{5}-\sqrt{3}\right)  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Racionalizar y simplificar la siguiente expresión:    22+3\ \ \ \frac{2}{2+\sqrt{3}} 

 2(23)2\left(2-\sqrt{3}\right)  

 2(2+3)2\left(2+\sqrt{3}\right)  

 (23)2\frac{\left(2-\sqrt{3}\right)}{2}  

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

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Racionalizar y simplificar la siguiente expresión: (6+3)(63)\frac{\left(\sqrt{6}+\sqrt{3}\right)}{\left(\sqrt{6}-\sqrt{3}\right)}  

 3+223+2\sqrt{2}  

 3223-2\sqrt{2}  

 2+332+3\sqrt{3}  

 2332-3\sqrt{3}  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Racionalizar el siguiente denominador y simplificar:    \frac{\left(\sqrt{5}+\sqrt{3}\right)}{\left(2\sqrt{5}-3\sqrt{3}\right)}  

 (19+515)7\frac{-\left(19+5\sqrt{15}\right)}{7}  

 (19+515)7\frac{\left(19+5\sqrt{15}\right)}{7}  

 (19+515)\left(19+5\sqrt{15}\right)  

 (19+515)-\left(19+5\sqrt{15}\right)  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Racionalizar el siguiente denominador y simplificar: (2+3)(223)\frac{\left(\sqrt{2}+\sqrt{3}\right)}{\left(2\sqrt{2}-\sqrt{3}\right)}  

 (7+36)5\frac{\left(7+3\sqrt{6}\right)}{5}  

 (1326)5\frac{\left(13-2\sqrt{6}\right)}{5}  

 (2613)5\frac{\left(2\sqrt{6}-13\right)}{5}  

 (26+13)5\frac{\left(2\sqrt{6}+13\right)}{5}  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Racionalizar el siguiente denominador y simplificar: 1(1+23)\frac{1}{\left(1+\sqrt{2}-\sqrt{3}\right)}  

 (2+2+6)4\frac{\left(\sqrt{2}+2+\sqrt{6}\right)}{4}  

 (2+26)4\frac{\left(2+\sqrt{2}-\sqrt{6}\right)}{4}  

 (22+6)4\frac{\left(2-\sqrt{2}+\sqrt{6}\right)}{4}  

 (26)4\frac{\left(\sqrt{2}-\sqrt{6}\right)}{4}  

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