Find the vertex and focus of the parabola with the following equation:

Question

y = x2 + 6x + 5

Answer 1

y = (x+1)(x+5)
x-intercepts are -1 and -5
the x of the vertex is the midpoint between or -3
if x = -3 , y = -2(2) = -4

vertex is (-3,-4)

What method have you learned to find the focal point?