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NÚMEROS IMAGINARIOS

Authored by Laura Maza

Mathematics

9th Grade

Used 23+ times

NÚMEROS IMAGINARIOS
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10 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

El resultado de la operación:

 281+342\sqrt{-81}+3\sqrt{-4}  es

85i

24i

-35i

-5i

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

La solución a la ecuación: 7x2+14=07x^2+14=0  es:

 2i\sqrt{2}i  

 4i\sqrt{4}i  

 5i5i  

 2i2i  

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

El resultado de:  i29i^{29}  es:

 1-1  

i

-i

1

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

El resultado de  (3i3)2\left(3i^3\right)^2  es:

 3i63i^6  

 9i69i^6  

 9-9  

 3-3  

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

El resultado de    (144)5\left(\sqrt{-144}\right)^5  es:

 12i512i^5  

 248.832 i248.832\ i  

 248.832 -248.832\   

 i3i^3  

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

El resultado de   94i3 ÷32i3\frac{9}{4}i^{3\ }\div\frac{3}{2}i^3  es:

 23\frac{2}{3}  

 32\frac{3}{2}  

 23i\frac{2}{3}i  

 32i\frac{3}{2}i  

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

El resultado de   (5 4i)(2+5i)\left(5\ -4i\right)\left(2+5i\right)  es:

 20i2-20i^2  

 17i +3017i\ +30  

 20i2+30-20i^2+30  

 30i2-30i^2  

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