新SAT机考数学金题精练

Table of Contents Chapter1 About the Digital SAT 1 Chapter2 Overview of the SAT Math Section 13 Chapter 3 Algebra 37Linear equations in one variable Linear equations in two variables Linear functions Systems of two linear equations in two variables Linear inequalities in one or two variablesChapter 4 Advanced Math 83Equivalent expressions Nonlinear equations in one variable and systems of equations in two variables Nonlinear functionsChapter 5 Problem-Solving and Data Analysis 121Ratios, rates, proportional relationships, and units Percentages One-variable data: distributions and measures of center and spread Two-variable data: models and scatterplots Probability and conditional probability Inference from sample statistics and margin of error Evaluating statistical claims: observational studies and experimentsChapter 6 Geometry and Trigonometry 165Area and volume Lines, angles, and triangles Right triangles and trigonometry CirclesChapter 7 Math Test 195Module 1 Module 2 Answer Key Answers & Explanations