# eMath 1 Functions And Equations (2nd ed.)

\$8,90

## eMath 1: Functions and equations

The e-book is structured so that you will learn all concepts in a logical order and it is meant to be studied from beginning to end. The theory parts are short and concise and at the end of each lesson, you will find a page with assignments. The assignments can be solved directly in the book. You can easily write mathematics on the computer with the eMathStudio math tools, as well as insert pictures, embedded elements and graphs to support your studies and solutions.
Each eMath book includes:
• 300-400 assignments + answers, in three levels of complexity
• Numerous example solutions
• Possibility to check the correctness of the calculation

Overview: This book is a repetition of middle school math, with some topics being treated more carefully than before. It gives an overview of the basic number domains and their operation, shows how to solve first degree equations, how to work with percentages, roots and powers, and finally explains the important notion of a function.

1 Preface
2 Numbers and Arithmetic Operations
2.1 Sets of Numbers
2.2 Additive Inverse and Multiplicative Inverse
2.3 Rules of Arithmetic
2.4 Absolute Values
3 Equations
3.1 The Concept of an Equation
3.2 Solving an Equation
3.3 Word Problems
3.4 Infinite Periodic Decimal Numbers
4 Percentage
5 Powers
5.1 Powers
5.2 Powers of Ten
6 Roots
6.1 Square Roots
6.2 General Roots
6.3 Rational Powers
7 Functions
7.1 General Functions
7.2 The Graph of a Function
7.3 Power Functions
7.4 Exponential Functions
7.5 Direct Proportionality
7.6 Inverse Proportionality