Respuesta :

Answer:  y= 1x + 2

Step-by-step explanation:

(1 , 3)

(-1,1)

1-(-1) = 2

3 - 2 = 2

2/2 = 1     now the slope is 1  but we need to find the y-intercept and we will do that by using the formula   y=mx + b

3= 1(1) + b

3  = 1 + b

-1      -1

b= 2   so the y intercept is 2.