Question

When written in standard form, the quadratic equation, x2 - 2x - 35 = 0, is equivalent to y = (x - 1)2 - 36. What is the vertex of the graph of the quadratic equation, x2 - 2x - 35 = 0?

Answer 1

 y = a(x - b)^2 + c     has vertex  (b , c)

so here the vertex is (1, -36)