Videos
http://algebra1cc.flippedmath.com/101-intro-to-quadratics.html
https://www.youtube.com/watch?v=D9vWGAOP7WM
https://study.com/academy/lesson/parabolas-in-different-forms.html
https://www.youtube.com/watch?v=O49gVovZ1pE
Practice Activities & Worksheets
https://study.com/academy/practice/quiz-worksheet-forms-of-parabolas.html
https://www.ck12.org/book/ck-12-algebra-ii-with-trigonometry-concepts/section/5.16/
https://www.ixl.com/math/algebra-1/characteristics-of-quadratic-functions-equations
https://www.greenemath.com/Algebra2/65/GraphingParabolasTest.html