PreCalculus - Algebra Fundamental Review (70 of 80) 6 Ways to Graph a Parabola 4) Quadratic Formula

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In this video I will graphs a parabola by using the quadratic formula.

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I know this comment probably isn't the best place to ask this, but what should one do when they are dealing with imaginary units - out of curiosity? Say X = 2+2i ?

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