Preface iv
이 책의 특징 v
저자소개 vi
The Structure of Digital SAT ...................................................................................................1
Paper SAT vs New Digital SAT ...............................................................................................2
Paper SAT Math vs New Digital SAT Math...........................................................................4
The Math Section Overview : 4 Math Topic Categories ...................................................4
High-level breakdown of each concept.............................................................................5
How to get a high score in The Digital SAT math..............................................................6
The Algebra section of the SAT Math..................................................................................9
Solving Linear Equations....................................................................................................................................10
Interpreting Linear Functions : Slope and Intercepts...................................................................................13
Linear equation word problem.........................................................................................................................20
Graphing Linear Equations................................................................................................................................26
Linear function word problems........................................................................................................................30
Systems of linear inequalities word problems...............................................................................................33
Solving systems of linear equations................................................................................................................38
Passport to Advanced Math section of the SAT Math......................................................41
Radicals and Rational Exponentials ...............................................................................................................42
Operations with irrational expressions............................................................................................................47
Rational Operation and Equations..................................................................................................................50
Quadratic factoring and Solving quadratic equations................................................................................54
Quadratic Equations And Quadratic Formula...............................................................................................56
Quadratic Functions...........................................................................................................................................59
Interpreting nonlinear expressions : Exponential functions ......................................................................64
End Behavior of Polynomial Graph.................................................................................................................69
Transforming Function.......................................................................................................................................73
The Graph of Rational Function.......................................................................................................................76
The Graph of Irrational Function of Transformations on ...........................................................................82
Isolating Quantities.............................................................................................................................................84
Ratios, Rates and Proportions..........................................................................................................................86
Percents.................................................................................................................................................................90
Units.......................................................................................................................................................................93
Problem Solving and Data Analysis section of the SAT Math.........................................101
Scatterplots : Linear and Exponential Model...............................................................................................106
Key Features of Graphs......................................................................................................................................123
Center, spread, and shape of distributions....................................................................................................125
Data collection and conclusions......................................................................................................................132
Geometry, Coordinate geometry and Trigonometry section of the SAT Math..........140
Volume word problems including lengths and areas..................................................................................141
Right triangle word problems...........................................................................................................................147
Right triangle trigonometry................................................................................................................................153
Angles, Arc lengths, Trigonometric functions...............................................................................................157
Circle theorems...................................................................................................................................................160
Circle equation....................................................................................................................................................166
Trigonometric Definitions on Plane and Basic Properties.........................................................................170
Complex numbers...............................................................................................................................................173