so
(x,y)
J is -4 to the right and 2 up so
(-4,2)
K is 5 to the right and -3 up
(5,-3)
(x,y)
x1=-4
y1=2
x2=5
y2=-3
M=[tex] \frac{y2-y1}{x2-x1} [/tex]
M=[tex] \frac{-3-2}{5-(-4) [/tex]
M=[tex] \frac{-5}{5+4} [/tex]
M=[tex] \frac{-5}{9} [/tex]
answer is C -5/9
