Question 868521
The line perpendicular to {{{x+2y=6}}} has the form {{{2x-y=D}}}
Use the point to solve for D.
{{{2(2)-(-2)=D}}}
{{{4+2=D}}}
{{{D=6}}}
{{{2x-y=6}}}
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{{{drawing(300,300,-10,10,-10,10,grid(1),circle(2,-2,0.4),
graph(300,300,-10,10,-10,10,(6-x)/2,2x-6))}}}