The 40 SAT Math Formulas You Must Memorize
The SAT math formula sheet built into Bluebook is geometry only: it will never show you a slope, a quadratic formula, or an exponent rule. Below is the exact official reference, then all 40 formulas it leaves out, organized by the SAT's four content domains.
SAT math formulas to memorize Not on the official sheet
Core = shows up constantly. Nice to know = lower frequency, cheap insurance.