This math topic focuses on understanding the vertex form of quadratic equations by identifying the vertex from a given range. The problems included ask learners to discern the possible vertex of a quadratic function based on its range, expressed in interval notation. Each question is presented alongside a choice of possible vertices, where students must analyze and select the correct vertex that corresponds to the quadratic's graphical representation and stated range. This skill is fundamental in grasping the behavior and attributes of quadratic functions in a visual and analytic manner.