Algebra 1 Structure and Method
Introduction to Functions Chapter 8
   Section Title Tutorials from this book More examples
(in pop-up window)
8.1 Equations in Two Variables                              
8.2 Points, Lines, and Their Graphs 1 3 5 7 13 17 21 23 25   a b c d e
  Play Guess That Quadrant! Graph Game f g h i j
8.3 Slope of a Line                     a b c d e
8.4 The Slope-Intercept Form of a Linear Equation                     a b      
8.5 Determine an Equation of a Line                     a b c d e
                        f g h i j
8.6 Functions Defined by Tables and Graphs                              
8.7 Functions Defined by Equations                     a b c d  
8.8 Linear and Quadratic Functions                              
8.9 Direct Variation                              
8.10 Inverse Variation                              

Online Scientific Calculator from Calculator.com

Math Glossary
(more sophisticated than it looks!)