Respuesta :

Answer:

Well I think It's undefined

Step-by-step explanation:

m =  y2 - y1/x2 - x1

= 6-6/-9-(-9)

= 6-6/-9+9

m = 0/0

Answer:

slope is indeterminate

Step-by-step explanation:

Given (- 9, 6) and (- 9, 6) ← that is a single point

No line is formed by a point , thus the slope is indeterminate