SOLUTION: find the equation of a line that is perpendicular to the line y=1/4+4 and contains the points (-9,0) y= Can someone please help

Algebra ->  Linear-equations -> SOLUTION: find the equation of a line that is perpendicular to the line y=1/4+4 and contains the points (-9,0) y= Can someone please help      Log On


   

Question 840273: find the equation of a line that is perpendicular to the line y=1/4+4 and contains the points (-9,0)
y=
Can someone please help
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Perpendicular lines slopes have the following relationship:
m%2Am%5Bp%5D=-1
%281%2F4%29%2Am%5Bp%5D=-1
m%5Bp%5D=-4
.
.
y=-4x%2Bb
Use the point to solve for b
0=-4%28-9%29%2Bb
b=-36
highlight%28y=-4x-36%29
.
.