Define complex numbers.
Adding and subtracting Complex Numbers (Make Up)

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•
Mathematics
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Complex numbers are numbers that have a real part and an imaginary part, expressed in the form a + bi, where a is the real part, b is the imaginary part, and i is the imaginary unit, defined as i = √(-1).
2.
FLASHCARD QUESTION
Front
What is the sum of two complex numbers (a + bi) and (c + di)?
Back
The sum is (a + c) + (b + d)i.
3.
FLASHCARD QUESTION
Front
What is the difference of two complex numbers (a + bi) and (c + di)?
Back
The difference is (a - c) + (b - d)i.
4.
FLASHCARD QUESTION
Front
Simplify the expression: (8 + 9i) + (4 - 6i)
Back
12 + 3i.
5.
FLASHCARD QUESTION
Front
Calculate: (4 - 7i) - (-3 + 6i)
Back
7 - 13i.
6.
FLASHCARD QUESTION
Front
Simplify: (1 + 3i) + (7 - 2i)
Back
8 + i.
7.
FLASHCARD QUESTION
Front
What is the result of adding (5 + 4i) and (-1 - 2i)?
Back
6 + 6i.
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