Tuesday, September 10, 2013

SP#1: Unit E Concept 1 - Graphing a quadratic and identifying all key parts


This is a quadratic function that we will change into a parent graph, and graph it. To graph this function, we need to find the vertex, y intercept, axis of symmetry, and x intercepts.  There are certain steps that need to be taken in order to graph quadratics.
The viewer needs to pay attention to signs of the vertex, because it is easy to overlook. The vertex is (h, k) and you need to make sure that you take the opposite sign of h.  Furthermore, you need to double check whether or not you have imaginary numbers. Finally, make sure you approximate the x-intercepts correctly.




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