What is the first step in dividing two complex numbers?

Complex Numbers and Their Operations

Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Hard

Sophia Harris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Add the real parts
Multiply by the conjugate of the denominator
Divide the real parts
Subtract the imaginary parts
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when you multiply a complex number by its conjugate?
The imaginary part doubles
You get a real number
You get another complex number
The real part becomes zero
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the conjugate of a complex number c + di?
c - di
c + di
-c + di
-c - di
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the division of complex numbers, what is the result of multiplying the denominator by its conjugate?
A complex number
Zero
A real number
An imaginary number
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When dividing complex numbers, how do you handle the imaginary unit i squared?
Treat it as 0
Treat it as 1
Treat it as -1
Ignore it
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the real part of the result when dividing 1 + 2i by 2 + 3i?
8/13
2/13
3/13
1/13
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the imaginary part of the result when dividing 1 + 2i by 2 + 3i?
3/13
2/13
1/13
8/13
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