Complex Numbers Flashcards
1
Q
What is i?
A
The square root of negative 1
2
Q
What is an do the following symbols mean ?
A
3
Q
What is an imaginary number ?
A
Any multiple of i
4
Q
What is a complex number ?
A
An imaginary number and a normal number
5
Q
How is the equality different for complex numbers?
A
6
Q
Questions
A
7
Q
Questions
A
8
Q
Question
A
9
Q
A
10
Q
A
11
Q
What is a conjugate ?
A
A change in the sign in the middle of two terms
12
Q
A
13
Q
A
14
Q
What do you know about the roots of a quadratic equation that are non- real complex numbers?
A
The roots are conjugate.
If f(z)=0
Then f(z*)=0
15
Q
A
16
Q
A
17
Q
A
18
Q
What is the Argand diagram?
A
19
Q
Plot the points
A
20
Q
How would two conjugate pairs be represented geometrically? (On the Angrand diagram)
A
Reflection on the x axis
21
Q
A
22
Q
A
23
Q
A
24
Q
A
25
Q
A
26
Q
A
27
Q
A
28
Q
A
