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practica racionalizacion

Authored by Ruben Otazu

Mathematics

7th - 9th Grade

Used 13+ times

practica racionalizacion
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Efectuar

 8+60+7485\sqrt{8+\sqrt{60}}+\sqrt{7-\sqrt{48}}-\sqrt{5}  

 5+2\sqrt{5}+2  

 32\sqrt{3}-2  

4

1

2

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

descomponer

 11+62\sqrt{11+6\sqrt{2}}  

 3+23+\sqrt{2}  

 323-\sqrt{2}  

 2+32+\sqrt{3}  

 232-\sqrt{3}  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Racionalizar

 37+2\frac{3}{\sqrt{7}+2}  

4

 72\sqrt{7}-2  

 3(72)3\left(\sqrt{7}-2\right)  

7

 7+2\sqrt{7}+2  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

racionalizar

 7+333\frac{7+\sqrt{3}}{3-\sqrt{3}}   
indica su denominador

1

2

3

4

5

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

racionalizar

 352\frac{3}{\sqrt{5}-\sqrt{2}}  

1

 2+5\sqrt{2}+\sqrt{5}  

 52\sqrt{5}-\sqrt{2}  

 10\sqrt{10}  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

si 

 3+5=a2+b2\sqrt{3+\sqrt{5}}=\sqrt{\frac{a}{2}}+\sqrt{\frac{b}{2}}  
si  a>b>0a>b>0   halle  aba-b  

3

4

5

6

7

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

racionalizar  123\frac{12}{\sqrt{3}}  


 333\sqrt{3}  

 232\sqrt{3}  

 434\sqrt{3}  

 636\sqrt{3}  

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