本书包含一套完整的数学测试题目，共计400道单题，并提供ACT官方答案和详细解析；提供丰富的在线数学习题，让考生活学活用巩固知识；整体介绍考试内容、考试形式以及备考策略，让考生提前预热；分类讲解不同的题目类型并提供相应的丰富习题。本书为考生准备ACT考试提供来自出题方的丰富的备考资料。

Introduction
Chapter 1: The ACT Math Test
Reporting Categories: Score Reporting
Reporting Categories: Topic Overview
Chapter 2: Number and Quantity
Real and Complex Number Systems
Number Line and Absolute Value
Exponents
Imaginary and Complex Numbers
Vectors
Matrices
Chapter 2: Quiz Answers
Chapter 3: Algebra
Scientific Notation
Equations
Linear Equations
System of Equations
Roots
Logarithmic Equations
Chapter 3: Quiz Answers
Chapter 4: Functions
Series, Sequences, and Consecutive Numbers
Slope-Intercept Form of a Linear Equation
Chapter 4: Quiz Answers
Chapter 5: Geometry
Coordinate Geometry
Lines and Angles
Two-Dimensional Shapes
Three-Dimensional Shapes
Trigonometry
Chapter 5: Quiz Answers
Chapter 6: Statistics and Probability
Probability '
Sets of Numbers
Charts
Chapter 6: Quiz Answers
Chapter 7: Practice Questions
Chapter 8: Answers and Explanations
Answer Key
Explanatory Answers