Question

what is the slope of the line that passes through the points ( 9, 4 ) and (9, -5)? Write your answer in simplest form.​

Answer 1

slope of Line passing through 2 point=

x-x1/x2-x1= y-y1/y2-y1

x-9/9-9=y-4/-5-4

x-9/0=y-4/-9

0=-(y-4)/9 is final ans