Chapter 4 - Quadratic Functions - 4.2 Graphing Quadratics in Vertex Form - 4.2 Exercises - Page 316: 13

a) $(5.5,-6)$. b) $x= 5.5$. c) $(2,5)$.

All values are read directly from the graph. a) The vertex is $(5.5,-6)$. b)The equation of the axis of symmetry is $x= 5.5$. c) The point symmetric to the point $(9,5)$ is $(2,5)$.