When graphing the quadratic equation x - 4x + 9 what are the coordinates of the vertex?

The coordinates of the vertex of the quadratic equation "x^2 - 4x + 9 = 0" are 2 (x) and 5 (y).
Updated on Monday, February 06 2012 at 01:49PM EST
Source: kgb.com
Collections: quadratic equationcoordinatesvertexgraph