SOLUTION: Find the equation of thr line. Write the equation using function notation. Through (7,-1); perpendicular to 9y=x-16

Algebra ->  Linear-equations -> SOLUTION: Find the equation of thr line. Write the equation using function notation. Through (7,-1); perpendicular to 9y=x-16      Log On


   

Question 949987: Find the equation of thr line. Write the equation using function notation. Through (7,-1); perpendicular to 9y=x-16
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
9y=x-16
y=x%2F9-16%2F9
A perpendicular line would have a slope that is the negative reciprocal of this line's slope.
m%5Bp%5D=-1%2F%281%2F9%29=-9
So then using the point-slope form of a line,
y-%28-1%29=-9%28x-7%29
y%2B1=-9x%2B63
y=-9x%2B62
.
.
.