Respuesta :

Answer:

Use the slope formula

  • m = (y₂ - y₁)/(x₂ - x₁)

Points A(a, b) and B(c, d)

  • m = (d - b)/(c - a)

Points A(-7, a) and B(c, d)

  • m = (d - a)/(c - (-7)) = (d - a)/(c + 7)