Complex Numbers
Flashcard
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a complex number?
Back
A complex number is a number that can be expressed in the form a + bi, where a and b are real numbers, and i is the imaginary unit.
2.
FLASHCARD QUESTION
Front
What does the imaginary unit 'i' represent?
Back
The imaginary unit 'i' represents the square root of -1.
3.
FLASHCARD QUESTION
Front
What is the sum of (3 + 2i) + (4 - 5i)?
Back
7 - 3i
4.
FLASHCARD QUESTION
Front
What is the result of (5 - 2i) + (-7 + 8i)?
Back
-2 + 6i
5.
FLASHCARD QUESTION
Front
What is i^2 equal to?
Back
-1
6.
FLASHCARD QUESTION
Front
What is the result of -6i + 3i?
Back
-3i
7.
FLASHCARD QUESTION
Front
How do you add complex numbers?
Back
To add complex numbers, combine the real parts and the imaginary parts separately.
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