PLEASE GIVE RIGHT ANSWERS WILL GIVE BRAINLIEST.

Answer:
Here u go:
1. A = -1
H = 0
K = 3
Vertex = (0, 3)
Axis of symmetry: x = 0
2. A = 1
H = -2
K = -5
Vertex = (-2, -5)
Axis of symmetry: x = -2
3. A = 3
H = 1
K = 2
Vertex = (1, 2)
Axis of symmetry: x = 1