Respuesta :
Answer:
A
Step-by-step explanation:
Using any two consecutive input of y and x
(X2 - X1)/(Y2 - Y1)
(9 - 10)/(1 - (-1))
= -1/2
Answer:
A
Step-by-step explanation:
Using any two consecutive input of y and x
(X2 - X1)/(Y2 - Y1)
(9 - 10)/(1 - (-1))
= -1/2