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Irracionales - Racionalización de denominadores

Authored by jessica jaimez

Mathematics

1st - 5th Grade

Used 4+ times

Irracionales - Racionalización de denominadores
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 32+7252=3\sqrt{2}+7\sqrt{2}-5\sqrt{2}=  

 626\sqrt{2}  

 525\sqrt{2}  

 15215\sqrt{2}  

 565\sqrt{6}  

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 75=\sqrt{75}=  

 353\sqrt{5}  

 535\sqrt{3}  

 3 . 52 \sqrt{3\ .\ 5^2\ }  

 5 . 3\sqrt{5\ .\ 3}  

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 12+27=\sqrt{12}+\sqrt{27}=  

 23+332\sqrt{3}+3\sqrt{3}  

 535\sqrt{3}  

 42. 3+33\sqrt{4^2.\ 3}+\sqrt{3^3}  

 4 . 3  33\sqrt{4\ .\ 3}\ -\ \sqrt{3^3}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 7. (3+5)=7.\ \left(3+\sqrt{5}\right)=  

 217521-7\sqrt{5}  

 21+7521+7\sqrt{5}  

 21+521+\sqrt{5}  

 21+1521+\sqrt{15}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 27=\frac{2}{\sqrt{7}}=  

 72\frac{\sqrt{7}}{2}  

 27\frac{2}{7}  

 272\sqrt{7}  

 277\frac{2}{7}\sqrt{7}  

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 32+5=\frac{3}{2+\sqrt{5}}=  

 39(25)\frac{3}{9}\left(2-\sqrt{5}\right)  

 13(2+5)\frac{1}{3}\left(2+\sqrt{5}\right)  

 32(2+5)\frac{3}{2}\left(2+\sqrt{5}\right)  

 13(25)\frac{1}{3}\left(2-\sqrt{5}\right)  

7.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Racionalizar significa eliminar la raíz del:

(a)  

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