Question 377995
Perpendicular lines have slope that are negative reciprocals.
{{{m[1]*m[2]=-1}}}
{{{2*m[2]=-1}}}
{{{m[2]=-1/2}}}
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{{{y=-(1/2)x+b}}}
Use the point to determine {{{b}}}.
{{{2=-(1/2)(1)+b}}}
{{{b=5/2}}}
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{{{highlight(y=-(1/2)x+5/2)}}}