text: where do i find deffinitions and a pic of a mathematics ray? im doin' my math homework and we are doing a project in class bout - rays,line segments,lines,intersecting lines, and all that junk.. where can i find a pic and a deffinition of a mathematics ray and other stuff i listed up there ^  ? plz, no silly answerz ... i need to get my homework done.. a ray is visually depicted as an arrow:  o-----------> that o represents the ray's endpoint. the > means that it goes on forever in that direction. you can think of it as half a line, or a mix between a line and and a line segment.