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|A brief essay on imaginary numbers. An imaginary number is a real number times the positive square root of -1. The positive square root of -1 is usually called i. It is not an integer, it is not real. It is the answer to the question, "What number squared is -1?"|
|Levels:||Middle School (6-8), High School (9-12), College|
|Math Topics:||Imaginary/Complex Numbers|
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