Learning goals: Teacher Facing Create graphs of quadratic functions that represent a physical phenomenon and determine an appropriate domain when graphing. Identify and interpret (orally and in writing) the meaning of the vertex of a graph and the zeros of a function represented in tables and graphs. Write and interpret (orally and in writing) quadratic functions that represent a physical phenomenon. Full lesson plan (warm-up, activities, synthesis, cool-down prompt) from Alg1.6 Introduction to Quadratic Functions, Algebra 1.