Respuesta :

mhanifa

Answer:

  • x = -3

Step-by-step explanation:

Given function:

  • f(x) = x² + 6x + 2

x-coordinate of the vertex is:

  • x = -b/2a = -6/2 = - 3

The axis of symmetry is the vertical line that passes through the vertex:

  • x = -3 is the line we need