Respuesta :

Answer:

undefined

Step-by-step explanation:

We can use the slope formula

m = ( y2-y1)/(x2-x1)

   = ( 9-5)/(3-3)

   = 4/0

When we divide by zero, the slope is undefined

C. Undefined

Explanation:

The slope is straight so it just isn’t a slope and you call that undefined hope this helped