Hi Graphing: -x^2 + -14x = 49 -(x^2 +14) = 49 -[(x+7)^2 -49] = 49 -(x+7)^2 + 49 = 49 -(x+7)^2 = 0 (x+7)^2 = 0 f(x) = (x+7)^2 Vertex is Pt(0,-7)