Respuesta :

Answer:

1st blank: 1

2nd blank: -3

Step-by-step explanation:

[tex]Y_{2} - Y_{1} / X_{2} - X_{1}[/tex]

1 - 2 / 4 - 5

-1/-1

slope = 1

1 = 4 + b

-3  = b

2 = 5 + b

-3 = b

hope this helps :)