
Complex Numbers and Roots
Interactive Video
•
Mathematics
•
10th - 12th Grade
•
Hard
+2
Standards-aligned
Aiden Montgomery
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving the problem of finding the 24 roots of 1?
Squaring the roots
Identifying the angles of the roots
Calculating the sum of the roots
Finding the real parts of the roots
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which angle corresponds to the root e^(pi/6i)?
pi/3
pi/6
pi/4
pi/12
Tags
CCSS.HSN.CN.C.8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When squaring a complex number a + bi, what is the imaginary part of the result?
ab
a^2 + b^2
2ab
a^2 - b^2
Tags
CCSS.HSN.CN.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can the root at angle pi/2 be ignored in the calculations?
It has no real part
It is not a root of 1
It has no imaginary part
It is already squared
Tags
CCSS.HSN.CN.B.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the imaginary part of the squared root e^(pi/3i)?
sin(pi/6)
sin(pi/3)
sin(2pi/3)
sin(pi/2)
Tags
CCSS.HSF.TF.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sine of pi/6?
1/2
sqrt(3)/2
1
0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many times should the sum of the imaginary parts be multiplied to account for all quadrants?
2
4
5
3
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