- #1

sdoyle

- 18

- 0

## Homework Statement

The line

*l*passes through the point P=(1,-1,1) and has direction vector d=[2,3,-1]. Determine whether l and P are parallel, perpendicular, or neither to 2x+3y-z=1.

## Homework Equations

n.x=n.p, also cross product for parallel lines, and dot product for perpendicular.

## The Attempt at a Solution

I don't know how to relate the point, P, to the directional vector,d. I am pretty sure that I can do the rest.