Complex Numbers-Introduction
Authored by Limuru TVC
Mathematics
6th Grade
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the imaginary unit denoted by 'j' defined as?
j=0
j=1
j=-1
j raised to 2 =-1
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is the correct representation of a complex number in rectangular form?
Z= a * jb
Z= a / jb
Z= a + jb
Z= a - jb
3.
MULTIPLE CHOICE QUESTION
5 mins • 3 pts
What is the conjugate of the complex number 3+j2?
4.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
If Z1=4+j5 and Z2=2−j3, what is Z1-Z2 in rectangular form?
2 + j8
2-j8
2-j2
6-j8
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
The magnitude (modulus) of the complex number 6-j8 is:
6.
MULTIPLE CHOICE QUESTION
20 sec • 3 pts
What is the polar form of the complex number 2+j3?
7.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
The product of (3+j4) and (2-j) is:
5 + j10
10 + j5
6 - j7
12 - j3
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