Sunday, September 29, 2013

SV#1: Unit F Concept 10 - Finding all real and imaginary zeroes of a polynomial

To view my video, please click on the link HERE.

This concept covers finding the zeroes and factorization for a 4th or 5th degree polynomial. In the video, the problem is a fourth degree polynomial (f(x)= 28x^4+80x^3+93x^2+34x-7). Therefore, we have four zeroes. Two of which are real, and the other two are imaginary. The video explains each of the steps you need to take to find the zeroes of this polynomial.

In order to understand this concept, you should make sure to include each and every one of the steps.  For example, you can not forget to use "Descartes Rule of Signs" or else you won't know how many positive and negative zeroes there are.  Moreover, you need to double check your work as you go because if you make a mistake in the middle, it will affect the rest of the problem. If you need help, you can consult the video again!

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