Question 846144
A perpendicular line would have the form,{{{9x-2y=D}}}
Use the point to solve for {{{D}}}.
{{{9(-8)-2(0)=D}}}
{{{D=-72}}}
{{{highlight(9x-2y=-72)}}}
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{{{drawing(300,300,-10,10,-10,10,grid(1),circle(-8,0,0.45),
graph(300,300,-10,10,-10,10,(-30-2x)/9,(9x+72)/2))}}}