Respuesta :

Answer:

y=1/2x+9

Step-by-step explanation:

First find slope: (y2-y1)/(x2-x1)
Pick two points: (0,9), (1,7)
(7-9)/(1-0) = -2/1 = -2
Y = -2x + b
9 = 0 + b, b = 9
Slope intercept equation:
Y = -2x + 9