Quadratics, SMB-007 By completing the square, find the coordinates of the vertex of the parabola with equation `y=x^2-6x-4` (3 marks) Show Answers Only `(3,-13)` Show Worked Solution `y` `=x^2-6x-4` `=x^2-6x+9-13` `=(x-3)^2-13` `:.\ text{Vertex}\ = (3,-13)`