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Quadratic Equations with No Real Solution

Author: Anthony Varela
Video Transcript
Terms to Know
Complex Number

A number in the form a plus b i, containing a real part, a, and an imaginary part, bi, where i is the imaginary unit, square root of short dash 1 end root.

Imaginary Number

A non-real number that is expressed in terms of the square root of a negative number (usually the square root of -1, represented by i).

Formulas to Know
Imaginary Number

i equals square root of short dash 1 end root

Quadratic Formula

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