Precalculus 10.3 Ellipses

This lesson explains ellipses, including finding the center, vertices and foci, and using those to write equations and make the graph. In alignment with Larson's Precalculus, this video has plenty of examples and worked-out practice problems, including word problems. #Shaffer, #precalculus, #Larson, #ellipse, #foci, #vertex, #examples, #problems, #tutor, #tutorial, #free, #homeschool