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Quis bilangan komplek

Authored by Turi Handayani

Mathematics

11th Grade

Used 2+ times

Quis bilangan komplek
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bilangan kompleks adalah bilangan yang terdiri dari bagian real dan bagian imajiner. Bentuk umum dari bilangan kompleks adalah?

a+b

a x b

a-bi

a+ bi

ab

Answer explanation

Bilangan kompleks dalam bentuk umum adalah a + bi, di mana a adalah bagian real dan bi adalah bagian imajiner.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dalam notasi bilangan kompleks z=a+bi, bagian real dari bilangan tersebut adalah? A. a B. b C. i D. a+bi E. bi

A

C

B

D

E

Answer explanation

The correct choice is A. In the complex number notation z=a+bi, the real part of the number is represented by the 'a' term.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dalam notasi bilangan kompleks z=a+bi, bagian imajiner dari bilangan tersebut adalah? A. a B. b C. i D. a+bi E. bi

A

B

C

D

E

Answer explanation

The correct choice is E. In the complex number notation z=a+bi, the imaginary part is represented by bi.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika z1​=3+4i dan z2​=2+5i, maka z1​+z2​ adalah? A. 5+9i B. 5+1i C. 1+9i D. 1+1i E. 6+10i

A

B

C

D

E

Answer explanation

To find z1 + z2, add the real parts and the imaginary parts separately. (3 + 2) + (4 + 5)i = 5 + 9i. Therefore, the correct choice is A.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika z1​=−2+3i dan z2​=4−5i, maka z1​+z2​ adalah? A. 2−2i B. 2+8i C. −6−2i D. 2−8i E. 6−2i

A

B

C

D

E

Answer explanation

To find z1 + z2, simply add the real parts and the imaginary parts separately. (-2 + 4) + (3 - 5)i = 2 - 2i. Therefore, the correct choice is A.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

ika z1​=6+7i dan z2​=3+2i, maka z1​−z2​ adalah? A. 3+9i B. 3+5i C. 9+5i D. 3−5i E. 9+9i

A

B

C

D

E

Answer explanation

To find z1​−z2​, subtract the real parts and the imaginary parts separately. (6-3) + (7-2)i = 3 + 5i. Therefore, the correct answer is B.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika z1​=8+5i dan z2​=3−2i, maka z1​−z2​ adalah? A. 11+7i B. 5+3i C. 11+3i D. 5+7i E. 5−3i

A

B

C

D

E

Answer explanation

To find z1​−z2​, subtract the real parts and the imaginary parts separately. (8+5i) - (3-2i) = 8-3 + 5+2i = 5+7i. Therefore, the correct answer is D. 5+7i.

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