What is the simplest imaginary number?

Exploring Operations with Complex Numbers

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
i
sqrt(2)
pi
e
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do we need the imaginary unit 'i'?
To calculate integrals
To solve linear equations
To represent the square root of negative numbers
To find the area of a circle
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of i squared?
0
i
-1
1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of i to the fourth power?
-i
1
-1
i
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you express the square root of a negative number?
As a complex number
As a rational number
As an imaginary number
As a real number
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the standard form of a complex number?
A / BI
A + BI
A - BI
A * BI
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when you multiply a complex number by its complex conjugate?
You get zero
You get a real number
You get an imaginary number
You get a complex number
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