Respuesta :

Answer:

y = - 7x + 73

Step-by-step explanation:

y = mx + b   m: slope       b: y intercept

m = (y-y') / (x-x') = (31-3) / (6-10) = 28 / - 4 = -7

b = y - mx = 3 - (-7) x 10 = 73

equation: y = -7x + 73

check: 31 = -7 x 6 +73 = -42 + 73 = 31      (6,31)

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