if one ray contains another ray are they the same ray

Question

turingtest · Answer

rays are defined by two things: starting point and direction
if one ray lies within another, must they be pointed in the same direction?
must they start at the same point?

amistre64 · Answer

id call them eugenes ;)

turingtest · Answer

you and your eugene vectors :P

anonymous · Answer

youre not helping, stop.

turingtest · Answer

my first comment is enough info I think, you can ignore the other two comments

anonymous · Answer

it doesnt answer the question though

turingtest · Answer

I'm not going to answer it for you, that's not what the site is for. It's actually against the rules to give out answers.
I gave you enough info to answer the question. 
Now comes your job: to use what I gave you to figure out the answer.
Good luck.

anonymous · Answer

this is stupid