Respuesta :

(2,8) and (-2,10)

y₂ - y₁     used to find the slope
x₂ - x₁

plug in the coordinates
10-8 = 2     all equals -1/2
-2-2 = -4     m=-1/2

plug one of the coordinates and the slope into y=mx+b, and solve
8=-1/2(2)+b
8=-1+b
9=b

Final Answer: y = -1/2x + 9

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