จำนวนเชิงซ้อน1

จำนวนเชิงซ้อน1

9th - 10th Grade

10 Qs

quiz-placeholder

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จำนวนเชิงซ้อน1

จำนวนเชิงซ้อน1

Assessment

Quiz

Mathematics

9th - 10th Grade

Practice Problem

Hard

Created by

วัชรา จรูญผล

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

ส่วนจริงและส่วนจินตภาพตามลำดับของจำนวนเชิงซ้อน (–7a, 4b) ตรงกับข้อใด

Re(Z)=-7 Im(Z)=4

Re(Z)=-7a Im(Z)=4b

Re(Z)=-7b Im(Z)=4a

Re(Z)= 7a Im(Z)=-4b

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

ข้อใดไม่เป็นจำนวนเชิงซ้อน

3i

(0, 3\sqrt{-3}  )

( (π,2)\left(\left|\pi\right|,\sqrt{2}\right)  

2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

ข้อใดคือคำตอบของ (− 3, 2 )+ (2 , − 2 )

(5,0)

(-5,0)

(-1,0)

(-1,4)

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(3 − 4x, 6 ) = (7, 5y +11) จงหา xy −1

0

-1

1

-2

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

ข้อใดคือคำตอบของ (– 2 – 5i) + (–3i)

– 2 – 8i

– 5 + 5i

– 5 – 5i

–15 + 6i

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

ข้อใดคือคำตอบของ (– 3, 0)(0, 4)

(0, 12)

(0, 0)

(– 12, 0)

(0, – 12)

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

ข้อใดคือคำตอบของ (– 7 – 10i) (3 + 6i)

– 4 – 4i

–10 – 16i

39 – 72i

– 81 – 12i

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