| M5 Home Page |
| Integrated Publishing | Equation of a Straight Line |
| LTCC Online | Coordinates and Graphs of Lines |
| LTCC Online | Equations of Lines |
| Pink Monkey | Standard Forms For The Equation Of A Straight Line |
| Purplemath | Straight-Line Equations |
| LTCC Online | Linear Equations and Word Problems |
| Integrated Publishing | Inclination and Slope |
| LTCC Online | Slope |
| Purplemath | x- and y-Intercepts |
| Purplemath | Meaning of Slope & Intercept |
| Math.com | Graphing Equations and Inequalities |
| Purplemath | Graphing Linear Equations |
| Purplemath | Using Slope to Graph Lines |
| Integrated Publishing | Slopes of Parallel and Perpendicular Lines |
| Integrated Publishing | Parallel and Perpendicular Lines |
| Destination Math | Mastering Algebra 1 Glossary |
| LTCC Online | Find the Equation of a Line |
| LTCC Online | Graphing the Line y = mx + b |
| LTCC Online | Parallel and Perpendicular Lines |
| Maths Online | Big Functions Graph Puzzle |
| Quia | Graphs and Linear Equations |
| University of Stellenbosch | Inclination of a Line |