Respuesta :

BasketballEinstein

Answer:

[tex] 1 = y[/tex]

Step-by-step explanation:

Define the rate of change [slope]:

-y₁ + y₂\-x₁ + x₂ = m

[tex]-\frac{2 + y}{-1 + 2} = \frac{?}{1} = -1 \\ \\ -\frac{2 + 1}{-1 + 2} = \frac{-1}{1} = -1[/tex]

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