Question 111857
ANY LINE PERPENDICULAR TO A LINE WITH A SLOPE OF 14/5 HAS A SLOPE OF -5/14.
THEN (Y2-Y1)/(X2-X1)=-5/14
(Y2+6)/(-9-5)=-5/14
(Y2+6)/-14=-5/14 
-(Y2+6)14=-5/14 BECAUSE THE DENOMINATORS ARE THE SAME THE NUMERATORS ARE EQUAL.
-(Y2+6)=-5
-Y2-6=-5
-Y2=-5+6
-Y2=1
Y2=-1 ANSWER.
PROOF
(-1+6)/-14=-5/14
5/-14=-5/14
-5/14=-5/14