Answers:
The first one(10) the Vertex is (-2 , -6)
The second one(11) the vertex is (0 , -4)
The third one the(12) vertex is (1 , -3)
The fourth one the(13) vertex is (0 , 0)
The fifth one the(14) vertex is (3 , -8)
Sorry i dont know the axis of symmetry but you can get the sketch at the graphing calculator desmos
