Respuesta :

bearbearxx1

Answer:

y = x^2 - 2x - 8

Step-by-step explanation:

First we can put it into vertex form, the vertex is at (1, -9)

y = a ( x − h )^2 + k .

y = 1 (x - 1)^2 - 9

Then distribute:

y = x^2 - 2x + 1 - 9

y = x^2 - 2x - 8

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