Sunday, September 29, 2013

SV #1: Unit F Concept 10:Finding real and complex zeroes for a 4th Degree Polynomial

        This problem is about finding all the zeroes, real and complex zeroes for a 4th degree polynomial. We will be using the rational roots theorem to find all possible zeroes. Additionally, we will be utilizing Descarte's rule of sign to find possible positive and negative real zeroes. This video will demonstrate how to find all zeroes including imaginary zeroes. 
       The viewer needs to pay special attention to distributing the negative in order to find the factors. Additionally, it is crucial that the viewer focuses on using the zero hero answer row as the new header row for the next step. Once you have a quadratic, you can try to factor the polynomial or use the quadratic formula. It is important to remember that there could be imaginary or irrational zeroes.

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