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
Simplify: 2i - 7i + 10
Back
-5i + 10
2.
FLASHCARD QUESTION
Front
Simplify: (7 + 2i)(9 - 6i)
Back
75 - 24i
3.
FLASHCARD QUESTION
Front
What does i^2 = ?
Back
-1
4.
FLASHCARD QUESTION
Front
Simplify: (4 - 2i) - (3 + 6i)
Back
1 - 8i
5.
FLASHCARD QUESTION
Front
Simplify: 3i + 2i
Back
5i
6.
FLASHCARD QUESTION
Front
Define 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.
7.
FLASHCARD QUESTION
Front
What is the imaginary unit i?
Back
The imaginary unit i is defined as the square root of -1.
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