Respuesta :
Answer:
vertex = (- 5, 3)
Step-by-step explanation:
The equation of a parabola opening vertically is
(x - h)² = 4a(y - k)
where (h, k) are the coordinates of the vertex
y - 3 = 12(x + 5)² is in this form, that is
(x + 5)² = [tex]\frac{1}{12}[/tex](y - 3)
with (h, k) = (-5, 3) ← vertex
