Module 7 — Quadratics II — Vertex Form, the Quadratic Formula, and the Discriminant
Read vertex form directly for max/min problems, then solve any quadratic — factorable or not — with the quadratic formula and discriminant, using the radical-simplification skill from the last lesson.
30 questions, easiest → hardest
30 auto-graded
Full worked solutions
Winny Score tracks mastery
Work through every question after Lesson 7. Wrong answers show the full worked solution — read it, then the next question gives you another shot at the same idea. Aim for a Winny Score of 80+.