Question 1090208
Perpendicular lines have slope that are negative reciprocals,
{{{-(4/9)m[2]=-1}}}
{{{m[2]=9/4}}}
So using the point-slope form,
{{{y-(-5)=(9/4)(x-(-4))}}}
{{{y+5=(9/4)(x+4)}}}
{{{y+5=(9/4)x+9}}}
{{{highlight(y=(9/4)x+4)}}}
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