Name:
Anonymous
2009-04-14 22:21
my mom is doing some math homework, and shes having trouble seeing wether the slopes are paralell perpindicular, or neither.
help plox
Name:
Anonymous
2009-04-14 22:34
Parallel means the slopes are the same
Perpendicular means the slopes are "negative reciprocals". i.e. one of them is -1 divided by the other one. So 2 and -1/2 are perpendicular.
Neither is, well, neither of those two things.