
Quis bilangan komplek
Authored by Turi Handayani
Mathematics
11th Grade
Used 2+ times

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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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