Question 1071537
r:
{{{-2(x-2)=3y}}}
{{{-2x+4=3y}}}
{{{y=-2x/3+4/3}}}
slope is {{{-2/3}}}.


s:
{{{-6(y-1)=k(x+5)}}}
{{{-6y+6=kx+5k}}}
{{{-6y=kx+5k-6}}}
{{{y=-(k/6)x-(5k-6)/6}}}
slope is {{{-k/6}}}.


Now solve for the equality of the two slopes,  {{{highlight_green(-2/3=-k/6)}}}.





k=4