Respuesta :

Answer:

slope BD = - 1

Step-by-step explanation:

Calculate the slope m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = B(0, a) and (x₂, y₂ ) = D(a, 0)

m = [tex]\frac{0-a}{a-0}[/tex] = [tex]\frac{-a}{a}[/tex] = - 1

loobase
slope = BD = 1
You just have to do y1-x1

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