Question 378609
Parallel lines have identical slopes.
{{{m[1]=m[2]=3}}}
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{{{y=3x+b}}}
Use the point to solve for {{{b}}}.
{{{1=3(-2)+b}}}
{{{b=7}}}
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{{{highlight(y=3x+7)}}}
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{{{drawing(300,300,-10,10,-10,10,circle(-2,1,0.3),grid(1),graph(300,300,-10,10,-10,10,0,3x-4,3x+7))}}}