Question 888033
Parallel lines have the same form.
{{{9x+8y=D}}}
Use the point to solve for {{{D}}}.
{{{9(5)+8(9)=D}}}
{{{45+72=D}}}
{{{D=117}}}
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{{{9x+8y=117}}}
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{{{drawing(300,300,-4,10,-4,10,grid(1),circle(5,9,0.4),graph(300,300,-4,10,-4,10,(-9x-3)/8,(117-9x)/8))}}}