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p₁(- 1 , 3)
P₂(2 , 5)
Formula de la pendiente(m).
m =(y₂ - y₁)/(x₂ - x₁)
m = (5 - 3)/(2 - (- 1))
m = 2/(2 + 1)
m = 2/3
Formula.
Ecuación de la recta punto pendiente.
y - y₁ = m(x - x₁) p₁ (- 1 , 3) m = 2/3
y - 3 = 2/3(x - (- 1))
y - 3 = 2/3(x + 1)
y - 3 = 2x/3 + 2/3
y = 2x/3 + 2/3 + 3
y = 2x/3 + 2/3 + 9/3
y = 2x/3 + (2 + 9)/3
y = 2x/3 + 11/3
y = (2x + 11)/3
3y = 2x - 11
3y - 2x - 11 = 0
Respuesta.
y = 2x/3 + 11/3
o
3y - 2x - 11 = 0