Question 1090554
the line perpendicular to {{{x= -15}}} is {{{y=k}}},and  
since it passes through ({{{-2}}},{{{9}}}),  the equation of the line is {{{y=9}}}


{{{drawing( 600, 600, -20, 10, -10, 20,
line(-15,20,-15,-10),circle(-2,9,.2),locate(-2,9,p(-2,9)),
 graph( 600, 600, -20, 10, -10, 20,9,9)) }}}