Find the direction vector for each of the following:
a)
A line passing through (4, 5) and (-2, 1)
b)
A vertical line
c)
A horizontal line
d)
A line parallel to y = 4x - 2
e)
A line perpendicular to y = 4x - 2
f)
A line with a normal vector
m
(2,7)
uur
State three points on each of the following lines:
a)
2x + 3y = 12
b)
r
(2,5)
t( 3
±
²
,1)
r
c)
d)
x
5
3t, y
10
2t
±
²
x
3
y
5
7
3
²
±