SAT

Math — Free Study Notes

Exam-accurate notes for every SAT Math subtopic — worked examples, examiner pitfalls, and an AI tutor (Nova) that teaches directly from them. 50 of 50 notes published.

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Algebra

Linear Equations in One VariableFree

Linear FunctionsPreview

Linear Equations in Two VariablesPreview

Systems of Two Linear EquationsPreview

Linear InequalitiesPreview

Advanced Math

Equivalent ExpressionsPreview

Nonlinear Equations and SystemsFree

Nonlinear FunctionsPreview

Problem-Solving and Data Analysis

Ratios, Rates, Proportions, and UnitsPreview

PercentagesFree

One-Variable DataPreview

Two-Variable DataPreview

Probability and Conditional ProbabilityPreview

Inference from Sample StatisticsPreview

Sample Statistics and Margin of Error

Evaluating Statistical ClaimsPreview

Observational Studies, Experiments, and Sampling

Geometry and Trigonometry

Area and VolumePreview

Lines, Angles, and TrianglesPreview

Right Triangles and TrigonometryPreview

CirclesFree

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