Stage 23 · Quadratic Functions
23.3.1 The Axis of Symmetry: The Parabola's Mirror
23.3 The Three Essentials: Vertex, Axis, and Opening
Point 1 of 6
23.3.1 The Axis of Symmetry: The Parabola's Mirror
Core ideaA parabola folds like it's been placed against an upright mirror, perfectly matched left and right, and that mirror is the axis x=h.
Module goal. Move from vertex form to the general form, and master how to find the three geometric essentials along with the graph's properties.