Half-life: The time required for an exponentially decaying quantity to reduce by half: T = ln(2)/|k|.
How to apply it: Use half-life to determine k for radioactive decay or other exponential decay models.
Course: AP Calculus AB · Unit: Differential Equations
Practice questions about Half-life on AimFive — get rubric-based feedback showing exactly which points you earned.
AP and Advanced Placement are trademarks of College Board. AimFive is not affiliated with or endorsed by College Board.