Respuesta :

Answer:

y=1/2x+7

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(8-9)/(2-4)

m=-1/-2

m=1/2

y-y1=m(x-x1)

y-9=1/2(x-4)

y=1/2x-4/2+9

y=1/2x-2+9

y=1/2x+7

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