Vertic
al &
Horizo
ntal
Paral
lel
Perpendi
cular
Slope
& yinterc
ept
Point
&
Slope
2
Point
s
y = mx + b
m: slope b: y-intercept
Example: m = -1/4 b = 3
Vertical: x = x-coordinate
Horizontal: y = y-coordinate
Example: ( -2, 4)
y = ________
Vertical line: x = _____
Horizontal line: y = _____
y – y1= m ( x – x1 )
Parallel lines have _____ slopes
Example: m = 2 (-3, -1 )
Example: y = 4x +1
Find Equation of the line:
Find equation of line parallel
through (2, 2)
Slope you will use: ______
y – y1= m ( x – x1 )
Example: (3, -2 ) and (0, -1)
Slopes of Perpendicular lines are
____________.
Find the Equation of the line:
Example: y = 4x + 1
Find equation of line perpendicular
Through (-1, -4)
Slope you will use: _______