複數

複數

10th - 12th Grade

10 Qs

quiz-placeholder

Similar activities

bilangan kwadrat

bilangan kwadrat

10th Grade

15 Qs

KYK MATHS TEST 20

KYK MATHS TEST 20

9th - 10th Grade

10 Qs

Conocimientos Previos

Conocimientos Previos

5th - 10th Grade

15 Qs

Funzioni (base)

Funzioni (base)

12th Grade

14 Qs

pers&pertdksamaan Linear

pers&pertdksamaan Linear

9th - 12th Grade

15 Qs

cộng trừ phạm vi 4 lớp

cộng trừ phạm vi 4 lớp

4th - 12th Grade

10 Qs

Matriks

Matriks

11th Grade

10 Qs

BENTUK AKAR-3

BENTUK AKAR-3

10th Grade

10 Qs

複數

複數

Assessment

Quiz

Mathematics

10th - 12th Grade

Practice Problem

Medium

Created by

Mr. Hau侯老師

Used 7+ times

FREE Resource

AI

Enhance your content in a minute

Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 (4+2i)+(3i)=\left(4+2i\right)+\left(3-i\right)=  

 7+i7+i  

 7i7-i  

 122i12-2i  

 122i212-2i^2  

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 (5i)(2+3i)=\left(5-i\right)-\left(2+3i\right)=  

 34i3-4i  

 3+2i3+2i  

 74i7-4i  

 7+2i7+2i  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (4+i)(4i)=\left(4+i\right)\left(4-i\right)=  

17

 16i16-i  

15

 99  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 42i4-2i  的虛部是

4

 4-4  

2

 2-2  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (2+3i)2\left(2+3i\right)^2  的實部是

13

 5-5  

12

4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2+i32i\frac{2+i}{3-2i}  有理化,應於分子和分母同時乘以哪一個複數?

 2+i2+i  

 2i2-i  

 3+2i3+2i  

 32i3-2i  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 12i=\frac{1}{2-i}=  

 25+15i\frac{2}{5}+\frac{1}{5}i  

 2515i\frac{2}{5}-\frac{1}{5}i  

 23+13i\frac{2}{3}+\frac{1}{3}i  

 2323i\frac{2}{3}-\frac{2}{3}i  

Create a free account and access millions of resources

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

By signing up, you agree to our Terms of Service & Privacy Policy

Already have an account?