Respuesta :

changahsong
y = (x-5)(x-1) = x^2 - 5x - x + 5 = x^2 -6x +5 = (x-3)^2 - 9 + 5 = (x-3)^2 - 4

So... vertex is: (3, -4)
stariou
desmos.com is your friend !

y=(x-5)(x-1) graphed looks like this. Therefore, (3,-4) is the vertex.
Ver imagen stariou

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