Learning goals: Teacher Facing Comprehend (orally and in writing) how the $a$ and $c$ in $y=ax^2 + bx + c$ are visible on the graph. Coordinate (orally and in writing) different representations of quadratic functions (expressions, tables, and graphs). Use technology to explore how the parameters of quadratic expressions in standard form are visible on the graph. Full lesson plan (warm-up, activities, synthesis, cool-down prompt) from Alg1.6 Introduction to Quadratic Functions, Algebra 1.