vectors
posted by Alicia .
Determine whether each statement is true or false. Provide a brief justification.
a. Two lines with parallel direction vectors willnot intersect.
b. Two linesthat are perpendicularin R3 willhave perpendicular direction vectors.
c. Two linesthat havenonparalleldirection vectors willbe skewlines.

See if any of the following sites are helpful:
http://search.yahoo.com/search?fr=mcafee&p=vectors+tutorials
Sra