Cuestionario 3 - 1° Año

Cuestionario 3 - 1° Año

10th Grade

5 Qs

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Cuestionario 3 - 1° Año

Cuestionario 3 - 1° Año

Assessment

Quiz

Created by

ISABEL LOPEZ

Mathematics

10th Grade

1 plays

Medium

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Dado el número complejo z, selecciona la opción que denota su conjugado.

z=a+biz=a+bi

z\overline{z}

z\left|z\right|

z=abiz=a-bi

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

¿Cuál es la parte imaginaria del número complejo z=32π4iz=\sqrt{\frac{3}{2}}-\frac{\pi}{4}i ?  

 π4-\frac{\pi}{4}  

 32\sqrt{\frac{3}{2}}  

 π4i\frac{\pi}{4}i  

 ii  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

El número  z=8iz=-8i  es un imaginario puro

Verdadero

Falso

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Para realizar la división de números complejos 45i2+3i\frac{4-5i}{2+3i} , ¿Cuál es la opción que denota el inicio correcto de la operación? 


 45i2+3i×2+3i2+3i\frac{4-5i}{2+3i}\times\frac{2+3i}{2+3i}  

 45i2+3i×4+5i5+5i\frac{4-5i}{2+3i}\times\frac{4+5i}{5+5i}  

 45i2+3i×2+3i2+3i\frac{4-5i}{2+3i}\times\frac{-2+3i}{-2+3i}  

 45i2+3i×23i23i\frac{4-5i}{2+3i}\times\frac{2-3i}{2-3i}  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

La multiplicación de números complejos se efectúa de la siguiente manera:

Multiplicando por el conjugado

Aplicando ley distributiva

Multiplicando las partes reales y las imaginarias de manera correspondiente

Multiplicando por un uno conveniente