Write an equation (any form) for the quadratic graphed below:

Answer:
The quadratic equation with this graph:
y = (x + 3)^2 = x^2 + 6x + 9
Step-by-step explanation:
The turning point is (-3,0) that is when dy/dx = 0 at x = -3.
The only quadratic equation that does that is (x+3)^2 = x^2 + 6x + 9