
Exploring Operations with Complex Numbers

Interactive Video
•
Mathematics
•
8th - 12th Grade
•
Hard
+1
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 real part of the complex number 2 + 3i?
i
5
3
2
Tags
CCSS.HSN.CN.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a purely imaginary number?
2
3 - 4i
0 + 5i
2 + 3i
Tags
CCSS.HSN.CN.A.1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you add the complex numbers 2 + 3i and 3 - 4i?
5 + 7i
5 - i
1 - i
5 - 7i
Tags
CCSS.HSN.CN.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of subtracting 3 - 4i from 2 + 3i?
-1 - 7i
1 - 7i
-1 + 7i
1 + 7i
Tags
CCSS.HSN.CN.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When multiplying 2 + 3i by 3 - 4i, what is the first step?
Subtract the imaginary parts
Multiply the real parts
Multiply using FOIL method
Add the real parts
Tags
CCSS.HSN.CN.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying 2 + 3i by 3 - 4i?
18 + i
18 - i
18 + 12i
18 - 12i
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when you multiply 2 + 3i by 2 - 3i?
You get a purely real number
You get a purely imaginary number
You get a complex number
You get zero
Tags
CCSS.HSN.CN.C.8
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