Question

Using the completing-the-square method, find the vertex of the function f(x) = 5x2 + 10x + 8 and indicate whether it is a minimum or a maximum and at what point. (2 points)

Answer 1

The vertex of the function f(x) = 5x² + 10x + 8 is (-1, 3). the function has a minimum value at 3.

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