Solve Quadratics by Factoring:
http://tutorial.math.lamar.edu/Problems/Alg/SolveQuadraticEqnsI.aspx Only #1-5
Solve Quadratics by Using the Quadratic Formula:
https://www.mesacc.edu/~scotz47781/mat120/notes/quad_formula/quad_formula_practice.html skip last problem
https://mathbitsnotebook.com/Algebra1/Quadratics/QDquadFormulaPractice.html
Solve Quadratics by Graphing:
Find vertex:
https://www.ixl.com/math/algebra-2/graph-a-quadratic-function
Find graph by factoring:
http://teachers.wrdsb.ca/ckomorowski/files/2016/03/Note-Graphing-using-intercepts.pdf
http://teachers.wrdsb.ca/ckomorowski/files/2016/03/Booklet-Answers-Graphing-with-Factored-Form-1.pdf (practice questions with answers)
Graphing in general:
https://www.mathsisfun.com/algebra/quadratic-equation-graphing.html
http://rpdp.net/admin/images/uploads/resource_11843.pdf (scroll down for answers)
http://www.gilbertmath.com/uploads/1/4/2/7/14279231/3c_u2_d6.pdf
https://www.vonsteuben.org/ourpages/auto/2010/2/23/60868648/Graphing%20Parabolas%20Worksheet%202%20with%20Answer%20Key.pdf (scroll down for answers)