Skill: quadratic-formula
Quadratic Formula Sprint
How fast can you solve quadratics? Beat the 60-second clock, guard your 3 lives, and build a streak.
How to play
You get 60 seconds and 3 lives. Each question asks you to solve a quadratic with the formula, compute a discriminant, or count real solutions. For two solutions, type both separated by a comma (-2, -3); either order counts. If there are no real solutions, type no real solutions.
- 1A correct answer scores +10 points. Streaks of 4 or more earn a bonus of +2 per streak level beyond 3 — keep the streak alive.
- 2A wrong answer costs 1 life, resets your streak, and shows a short explanation of why the correct answer is right.
- 3The game ends when the timer hits 0 or you lose all 3 lives. Questions start easy (a = 1, integer roots) and ramp up to fraction roots and discriminant traps.
Time
60
Score
0
Streak
0
Lives
Question 1
Best streak 0
Solve
Enter the answer, then press Enter or Submit.
Two solutions:
-2, -3 (any order) · No real solutions: no real solutions · Discriminant: an integer · Count: 0, 1, or 2.