y=1/6x^2-1/6x-5的顶点坐标是

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y=1/6x^2-1/6x-5的顶点坐标是y=1/6x^2-1/6x-5的顶点坐标是y=1/6x^2-1/6x-5的顶点坐标是y=1/6x^2-1/6x-5y=(1/6)(x²-x)-5y=

y=1/6x^2-1/6x-5的顶点坐标是
y=1/6x^2-1/6x-5的顶点坐标是

y=1/6x^2-1/6x-5的顶点坐标是
y=1/6x^2-1/6x-5
y=(1/6)(x²-x)-5
y=(1/6)(x-1/2)²-5-1/24
y=(1/6)(x-1/2)²-121/24
顶点坐标为:(1/2,-121/24)

y=1/6(x^2-x+1/4)-5-1/24
=1/6(x-1/2)^2-121/24
定点坐标为(1/2,-121/24)