Day 3: Number of Solutions & Symmetry Key Question: Why is the McRib always “back”?Content: Number of Solutions for Parabolas | Axis of Symmetry Formula Hook Video Play this hook video at the beginning of class, to set up the lesson. Student ItemsHandout: pdf, docxDesmos: link Teacher ItemsHandout Key: pdf, docxSlide Deck: ppt, pdf << Day 2 Day 4 >> All Unit Lessons