Imaginary and Complex Numbers Flashcard

Flashcard
•
Mathematics
•
10th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an imaginary number?
Back
An imaginary number is a number that can be written as a real number multiplied by the imaginary unit 'i', where i is defined as the square root of -1.
2.
FLASHCARD QUESTION
Front
What is a complex number?
Back
A complex number is a number that has a real part and an imaginary part, expressed in the form a + bi, where a is the real part and b is the imaginary part.
3.
FLASHCARD QUESTION
Front
Back
4.
FLASHCARD QUESTION
Front
What is the result of combining the imaginary numbers -4i and 7i?
Back
The result is 3i.
5.
FLASHCARD QUESTION
Front
Back
6.
FLASHCARD QUESTION
Front
What is the product of the complex numbers (-2 + 7i) and (-2 + 2i)?
Back
The product is -10 - 18i.
7.
FLASHCARD QUESTION
Front
What is the product of the complex numbers (-5 - 5i) and (1 + 5i)?
Back
The product is 20 - 30i.
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