What is the vertex of the function f(x) = x2 + 12x?
0 (6-36)
(6.0)
(6.0)
(6 -36)
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(-6,-36)

Step-by-step explanation:

The given function is

We complete the square to write this function in the vertex form.

Add and subtract the square of half the coefficient of x.

The first three terms is now a perfect square trionomial

Or

The function is now in the form:

where h=-6 and k=-36

The vertex is therefore (h,k)=(-6,-36)

maybe 25 billion

Step-by-step explanation:

Ya