FINAL PREP · UNIT 4 exam passed ✓
Sequences, Probability, Conics & Money
You already beat this exam. Everything here is on the final too — the job now is keeping it warm, not relearning it.
Where You Stand
Passed. These modules carried you through Exam 4 — a light pass every few days keeps them from going cold before the final.
Keep warm Practice Modules
Same five-beat loop: spot the type, grab the formula, worked example, paper, cheat-sheet line.
Probability
5 trigger rules · cards · dice · conditional
Conics: Hyperbolas
vertices & foci · completing the square · find all parts
Sequences & Series
arithmetic · geometric · sums · infinite
Geometric Drill
find r & a₁ · sigma · finite & infinite sums · interactive
Financial / Annuities
future value · the calculator traps
Half-Life & False Positive
plug-and-play formula · population table · sanity checks
Topics I've Built Into My Sheet
Mark a topic once its lines are on your cheat sheet — honest self-check, saved on this phone only.
This tracks coverage, not a grade. A topic counts when it's written, not when it's perfect.