Question

What is the turning point or vertex of the parabola???

Answer 1

Answer : (-1,-4)

Explained:
y = 3(x^2+2x) -1
y = 3(x^2 + 2x + 1 - 1) -1
y = 3(x^2 + 2x + 1) -1-3
y = 3(x+1)^2-4

Vertex = (h,k)
= (-1,-4)