Respuesta :

Answer:

            x = -4

Step-by-step explanation:

vertical line is parallel to y-axis so its equation is always  x = x₀

at any given point we have coordinates: (x₀, y₀)

given point (-4, 7) means  x₀ = -4

so the equation of a vertical line passing through the point (-4, 7) is x=-4

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