What is a complex number?
Operations on Complex Numbers

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
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, defined as the square root of -1.
2.
FLASHCARD QUESTION
Front
What is the imaginary unit 'i'?
Back
The imaginary unit 'i' is defined as i = √(-1). It is used to represent the square root of negative numbers.
3.
FLASHCARD QUESTION
Front
What is the product of two imaginary numbers, (-6i)(3i)?
Back
The product is 18.
4.
FLASHCARD QUESTION
Front
How do you simplify i^24?
Back
i^24 simplifies to 1.
5.
FLASHCARD QUESTION
Front
What is the result of multiplying two complex numbers, (-3 + 2i)(1 - 4i)?
Back
The result is 5 + 14i.
6.
FLASHCARD QUESTION
Front
How do you subtract complex numbers, (11 - 7i) - (-3 + 12i)?
Back
The result is 14 - 19i.
7.
FLASHCARD QUESTION
Front
What is the result of multiplying a complex number by a real number, 3i(4 - i)?
Back
The result is 3 + 12i.
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