Understanding Complex Numbers
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a complex number?
A number with both a real and an imaginary part
A number with only an imaginary part
A number with only a real part
A number with no real or imaginary part
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the imaginary unit 'i' equivalent to?
The square root of 1
The square root of -1
The square root of 0
The square root of 9
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying a real number by the imaginary unit 'i'?
A negative number
A real number
A complex number
An imaginary number
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a complex number?
4 + 3i
3i
0
5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the general form of a complex number?
a - bi
a + bi
a / bi
a * bi
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when you add a real number and an imaginary number?
You get a complex number
You get an imaginary number
You get a real number
You get zero
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the real part of the complex number 11 + 2i?
i
2
11
0
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Microsoft
or continue with
%20(1).png)
Apple
Others
Already have an account?
