Answer:
p = - 5
Step-by-step explanation:
( [tex]x_{1}[/tex] , [tex]y_{1}[/tex] )
( [tex]x_{2}[/tex] , [tex]y_{2}[/tex] )
m = [tex]\frac{y_{2} -y_{1} }{x_{2} -x_{1} }[/tex]
~~~~~~~~~~~~~
( 3 , p )
( 2 , 2 )
m = - 7
[tex]\frac{2-p}{2-3}[/tex] = - 7
2 - p = - 7 ( - 1 )
2 - p = 7
p = - 5