Find the vertex f(x)=8(x-21)²

(21,0)

Step-by-step explanation:

The function of the parabola is given in vertex form which is

The vertex is equal to (h,k). Looking the function , we see that the h-value is equal to 21 and that the k-value is 0. So the vertex of the function is (21,0).

step-by-step explanation:

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