Respuesta :

Answer:

1

Step-by-step explanation:

use formula y2-y1/x2-x1

step 1: define the values

a (9,1)= x1=9 y1=1

b(3,-5)= x2=3 y2=-5

step 2: sub

-5-1/3-9

step 3: subtract

top: -5-1= -6

bottom: 3-9= -6

step 4: simplify

-6/-6 = 1