⑵ y = 4 (x-3) 2-10, parabola opening upward, symmetry axis X=3, vertex coordinate (3,-10),

⑶ y = 2 (x+2) 2-14, parabola opening upward, symmetry axis X=-2, vertex coordinate (-2,-14),

(4) Y = 1/2 (x-2) 2 -3, parabola opening is upward, symmetry axis X=2, and vertex coordinate (2, -3).