DO Use any reliable online references to comprehensively answer the following questions. Write your answers on a sheet of bond paper, including the URLs of your references. 1. How is the equation of an ellipse determined when the foci and vertices are given? ( Note that the term "vertices" refers to the endpoints of the major axis.) 2. Is it possible to determine the equation of an ellipse when the coordinates of the endpoints of the major and minor axes are given? If so, explain how