SOLUTION: Consider the line y = 8x-2. Find the equation of the line that is perpendicular to this line and passes through the point (3, -4) Find the equation of the line that is parall

Algebra ->  Formulas -> SOLUTION: Consider the line y = 8x-2. Find the equation of the line that is perpendicular to this line and passes through the point (3, -4) Find the equation of the line that is parall      Log On


   

Question 1026609: Consider the line y = 8x-2.
Find the equation of the line that is perpendicular to this line and passes through the point (3, -4)
Find the equation of the line that is parallel to this line and passes through the point (3, -4)
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
y=mx%2Bb
y-mx=b
b=y-mx------A formula for the vertical axis intercept

m%2A%28-1%2Fm%29=-1 for perpendicular lines.


The perpendicular
y=-%281%2F8%29x%2B%28-4-%28-1%2F8%293%29

The parallel
y=8x%2B%28-4-8%2A3%29

Simplify each of those.