Let \(C\) be the conic which consists of all points \(P=(x,y ... conic section. Sketch the graph of this conic section which shows the focus, directrix and vertices. Identify and sketch the graph of ...

The style is attractive, and the treatment interesting. Plane Geometry: An Account of the More Elementary Properties of the Conic Sections, treated by the Methods of Co-ordinate Geometry ...

Geometrical Conic Sections: an Elementary Treatise, in which the Conic Sections are defined as the Plane Sections of a Cone, and treated by the Method of Projections. By J. Stewart Jackson.