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Radicales, racionalizar denominadores

Authored by Laura UR

Mathematics

6th - 8th Grade

Used 2+ times

Radicales, racionalizar denominadores
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

¿Cuál es la expresión racionalizada de la fracción

 25\frac{2}{\sqrt{5}}  ?

 25\frac{2}{5}  

 255\frac{2\sqrt{5}}{5}  

 510\frac{\sqrt{5}}{10}  

 55\frac{\sqrt{5}}{5}  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Racionaliza la siguiente expresión

 33\frac{3}{\sqrt{3}}  

 333\sqrt{3}  

 33  

 3\sqrt{3}  

 33\frac{\sqrt{3}}{3}  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

¿Cuál es la racionalización de

 27+5\frac{2}{\sqrt{7}+\sqrt{5}}  ?

 7+5\sqrt{7}+\sqrt{5}  

 27252\sqrt{7}-2\sqrt{5}  

 75\sqrt{7}-\sqrt{5}  

 27+252\sqrt{7}+2\sqrt{5}  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

El resultado de  623\frac{6}{2-\sqrt{3}}  es

 12+6312+6\sqrt{3}  

 6(33)6\left(3\sqrt{3}\right)  

 12312\sqrt{3}  

 12+312+\sqrt{3}  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Simplificar 250\frac{\sqrt{2}}{\sqrt{50}}  

1/5

2/30

1/25

1/4

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Racionaliza

√5 − √2

√5 + √2

√2 + √5

3(√5 − √2)

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (3+5)2=\left(\sqrt{3}+\sqrt{5}\right)^2=  

15

 8+2158+2\sqrt{15}  

 101510\sqrt{15}  

8

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