Y = x^2- 2x - 3 A parabola in the xy-plane is given by the
equation above. Which of the following
equivalent forms of the equation displays the
coordinates of the vertex of the parabola as
constants or coefficients?
A) y = (x − 1)2 – 4
B) y = (x - 1)2 – 2
C) y = (x – 3)(x + 1)
D) y + 3 = x(x + 2)