The vertex of a parabola is (6, 2), and the equation of its directrix is x = 8. What is the equation of this parabola in standard form? 0 (y - 2)2 = 8 (x - 6) o (y - 2)2 = -8(x- 6) 0 ( x - 6)2 =8(1- 2) o (x - 6)2 =-8(y- 2)