Question 884048
{{{drawing(300,300,-3,7,-3,7,grid(1),circle(2,2,0.2),circle(-2,-2,0.2),circle(1,-1,0.2),circle(6,4,0.2),
line(-2,-2,1,-1),line(1,-1,6,4),line(6,4,2,2),line(2,2,-2,-2))}}}
The longer diagonal would be BD.
Slope using 2 points.
{{{m=(4-(-2))/(6-(-2))=6/8=3/4}}}
Point slope form using slope and one point.
{{{y+2=(3/4)(x+2)}}}
{{{y=(3/4)x+3/2-2}}}
{{{highlight_green(y=(3/4)x-1/2)}}}
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{{{drawing(300,300,-3,7,-3,7,grid(1),circle(2,2,0.2),circle(-2,-2,0.2),circle(1,-1,0.2),circle(6,4,0.2),
line(-2,-2,1,-1),line(1,-1,6,4),line(6,4,2,2),line(2,2,-2,-2),graph(300,300,-3,7,-3,7,(3/4)x-1/2))}}}