Put the quadratics below into vertex form by completing the square. state the vertex.

Question

y=2x^2 - 4x-6

Answer 1

y = 2(x^2 - 2x +1 -1) - 6
= 2( (x-1)^2 - 1) - 6
= 2(x-1)^2 - 2 - 8
= 2(x-1)^2 - 10

the vertex is ........