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¸ñÂ÷Preface............................................................................................................................................ 4 ÀúÀÚ¼Ò°³.......................................................................................................................................... 5 Digital SAT Math Section °³¿ä.................................................................................................... 6 Digital SAT Math for 800 °øºÎ¹ý................................................................................................ 7 Chapter 1 Linear function and Exponential function.....................................................11 1.1 Linear function.........................................................................................................12 1.2 Exponential Function..............................................................................................14 1.3 Exponential Modeling.............................................................................................16 1.4 System of linear equations....................................................................................17 1.5 Inequalities................................................................................................................19 1.6 Absolute Value Equation.......................................................................................20 1.7 Chapter 1 from A to Z Problems.........................................................................23 1.8 Explanation...............................................................................................................32 Chapter 2 Quadratic function and Polynomial function................................................35 2.1 Quadratic function...................................................................................................36 2.2 Complex number.....................................................................................................39 2.3 Polynomial Function................................................................................................41 2.4 Chapter 2 from A to Z Problems.........................................................................48 2.5 Explanation...............................................................................................................56 Chapter 3 Radical expressions and Equations..............................................................59 3.1 Exponents and Radicals........................................................................................60 3.2 Radical equations....................................................................................................61 3.3 Chapter 3 from A to Z Problems.........................................................................63 3.4 Explanation...............................................................................................................68 Chapter 4 Percent................................................................................................................71 4.1 Percent......................................................................................................................72 4.2 Rate............................................................................................................................75 4.3 Unit conversion-Squared units and Cubic units..............................................77 4.4 Chapter 4 from A to Z Problems.........................................................................80 4.5 Explanation...............................................................................................................88 Chapter 5 Word Problem ..................................................................................................91 5.1 3 Types of Word Problems...................................................................................92 5.2 Chapter 5 from A to Z Problems.........................................................................94 5.3 Explanation.............................................................................................................101 Chapter 6 Probability ........................................................................................................105 6.1 Probablity................................................................................................................106 6.2 Chapter 6 from A to Z Problems.......................................................................110 6.3 Explanation.............................................................................................................116 Chapter 7 Geometry .........................................................................................................119 7.1 Fundamental Geometric formulas......................................................................120 7.2 Angle Relationship................................................................................................125 7.3 Properties of Triangle...........................................................................................126 7.4 Similarity...................................................................................................................129 7.5 Trigonometry..........................................................................................................133 7.6 Circle........................................................................................................................136 7.7 Properties of Circle................................................................................................136 7.8 Chapter 7 from A to Z Problems-Part 1.Triangle and Polygon......................... 140 7.9 Chapter 7 from A to Z Problems-Part 2. Circle.............................................148 7.10 Explanation...........................................................................................................154 Chapter 8 Statistics ...........................................................................................................159 8.1 Describing Distributions with Numbers.............................................................160 8.2 Box and Whiskers Plot.........................................................................................164 8.3 Distribution, Population and Sample..................................................................165 8.4 Observational Study and Experiment................................................................168 8.5 Regression Analysis.............................................................................................170 8.6 Chapter 8 from A to Z Problems.......................................................................174 8.7 Explanation.............................................................................................................185 Chapter 9 Practice Tests .................................................................................................189
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