Complex Numbers and Their Properties
Interactive Video
•
Mathematics
•
11th - 12th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the equation we are trying to solve using complex numbers?
Z^8 = 0
Z^8 = 1
Z^8 - 1 = 0
Z^8 + 1 = 0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the modulus of W when W = Z^8 = 1?
0
1
2
Infinity
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can W be expressed in polar form?
W = tan(0) + i cot(0)
W = cos(0) + i sin(0)
W = sec(0) + i csc(0)
W = sin(0) + i cos(0)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many possible values of Z are there when solving Z^8 = 1?
10
8
6
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of Z when K=0?
i
1
-1
0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of Z when K=1?
1/sqrt(2) + i/sqrt(2)
-1/sqrt(2) - i/sqrt(2)
-1/sqrt(2) + i/sqrt(2)
1/sqrt(2) - i/sqrt(2)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of Z when K=2?
-1
i
-i
1
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