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Tabbiejack
Find the vertex of the parabola by completing the square. x^2-6x+8=y
x^2-6x+8=y y=(x-2)(x-4) This form doesn't show parabola y=(x-3)^2 -9+8=(x-3)^2-1 this form does
the choices A. (–3,– 6) B. (3,–1) C. (–3,1) D. (–1, 3)