
Complex Numbers: Operations and Properties

Interactive Video
•
Mathematics
•
10th - 12th Grade
•
Easy
Standards-aligned

Jackson Turner
Used 1+ times
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial problem presented in the video?
Subtracting a complex number from -1 - i
Dividing a complex number by -1 - i
Multiplying a complex number by -1 - i
Finding the sum of two complex numbers
Tags
CCSS.HSN.CN.B.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to a complex number when it is multiplied by another complex number?
It is only rotated
It is only scaled
It remains unchanged
It is rotated and scaled
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the argument of the complex number -1 - i?
225 degrees
180 degrees
135 degrees
90 degrees
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the argument of -1 - i determined geometrically?
Using a 90-90-90 triangle
Using a 30-60-90 triangle
Using a 45-45-90 triangle
Using a 60-60-60 triangle
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the modulus of the complex number -1 - i?
Square root of 3
2
Square root of 2
1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which theorem is used to calculate the modulus of -1 - i?
Binomial theorem
Remainder theorem
Fundamental theorem of algebra
Pythagorean theorem
Tags
CCSS.HSN.CN.B.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After rotation and scaling, which choice represents the product of z and -1 - i?
Choice D
Choice C
Choice B
Choice A
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