tag:blogger.com,1999:blog-5303307482158922565.post2351506521480103776..comments2024-03-22T13:39:55.941-07:00Comments on Math Mama Writes...: What is an Ellipse?Sue VanHattumhttp://www.blogger.com/profile/10237941346154683902noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-5303307482158922565.post-66243104649523512762011-05-01T16:51:45.740-07:002011-05-01T16:51:45.740-07:00I think there is a fourth way. What about the locu...I think there is a fourth way. What about the locus of points whose distance from a fixed point is proportional to the distance to a line, where the ratio is less than 1?Steve Phelpshttps://www.blogger.com/profile/10833691672340191397noreply@blogger.com