
Adding and Understanding Complex Numbers

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Amelia Wright
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in adding two complex numbers?
Multiply the real parts
Subtract the imaginary parts
Rewrite without parentheses
Divide the real parts
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which property allows us to rearrange terms when adding complex numbers?
Associative Property
Identity Property
Distributive Property
Commutative Property
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a common mistake when combining like terms?
Adding imaginary parts first
Multiplying terms instead of adding
Not keeping signs with terms
Ignoring the coefficients
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you combine the real parts of complex numbers 2 + 3i and -6 - i?
Add 2 and -6
Subtract 2 from -6
Multiply 2 and -6
Divide 2 by -6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of adding 2 + 3i and -6 - i?
4 + 2i
-4 + 2i
-4 - 2i
4 - 2i
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Can the sum of two complex numbers be a real number?
Yes, if the imaginary parts cancel out
Yes, if the real parts are zero
No, it always has a real part
No, it always has an imaginary part
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when you add 9 + 5i and -4 - 5i?
The result is a real number
The result is zero
The result is a complex number
The result is purely imaginary
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