Respuesta :

To find the slope, we will use the formula;

slope =y₂-y₁ / x₂ - x₁

From the points given;

x₁ = 19 y₁ = 3 x₂ = 20 y₂=3

substituting into the equation

slope = 3-3 /20 -19

slope = 0/1

slope = 0

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