Question 905237
Perpendicular line slopes are negative reciprocals.
So,
{{{m*(-1/4)=-1}}}
{{{m=4}}}
Use the point-slope form of a line and convert to slope-intercept form.
{{{y-0=4(x-4)}}}
{{{y=4x-16}}}
.
.
{{{highlight(b=-16)}}}