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Imaginary Numbers

Author: Colleen Atakpu
Video Transcript
Terms to Know
Imaginary Unit

The square root of -1, denoted by i.

Formulas to Know
Imaginary Number

i equals square root of negative 1 end root

Quadratic Formula

x equals fraction numerator negative b plus-or-minus square root of b squared minus 4 a c end root over denominator 2 a end fraction