Quadra's Quest: the Quadratic Formula, Vertex & Discriminant
Follow Quadra the comet across six chapters — from naming a, b, c to conquering every parabola’s secrets. 100 questions, one steady climb from easy to hard, told like a picture book.
Ch. 1 · Setting the StageCh. 2 · The Formula AwakensCh. 3 · Into the RadicalsCh. 4 · Vertex ValleyCh. 5 · The Discriminant CaveCh. 6 · The Final Summit
Before you begin
Set your own clock, then climb the mountain one question at a time. Answer choices lock in immediately, and a short explanation appears right away — win or miss.
Timeror set your own countdown — the quest pauses the moment time is up.