a9shelintonels a9shelintonels

04-11-2016
Mathematics

contestada

x^2-6x+8=y
find the vertex of the parabola by complete the square.

Respuesta :

Edufirst Edufirst

06-11-2016

y = x^2 - 6x + 8 =[ x^2 - 6x + 9 ] - 9 +8 = [x -3]^2 - 1

Then, the vertex is ( 3, -1)

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