| M5 Home Page |
| Alan Selby | Straight Lines |
| DAU | Linear Equations |
| Integrated Publishing | Equation of a Straight Line |
| KS3 BiteSize | Straight Line Graphs |
| 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 |
| Zona Land | Linear Functions |
| LTCC Online | Linear Equations and Word Problems |
| WebMath | Finding a Line Between Two Points |
| WebMath | Finding the Equation of a Line Given a Point and Slope |
| Ask Dr. Math | Slope, Slope-Intercept, Standard Form |
| CITE | Slope of a Line |
| ETC | Slope-Intercept Form of a Line |
| ETC | Slope |
| Integrated Publishing | Inclination and Slope |
| LTCC Online | Slope |
| Purplemath | x- and y-Intercepts |
| Purplemath | Meaning of Slope & Intercept |
| Coolmath | Graphing Overview |
| Coolmath | Finding the Slope of a Line from the Graph |
| ETC | Graphing a Line in Slope-Intercept Form |
| ETC | Graphing Linear Equations |
| Math.com | Graphing Equations and Inequalities |
| Purplemath | Graphing Linear Equations |
| Purplemath | Using Slope to Graph Lines |
| WebMath | Graphing Lines |
| Zona Land | Intersection of Two Lines |
| Integrated Publishing | Slopes of Parallel and Perpendicular Lines |
| Integrated Publishing | Parallel and Perpendicular Lines |
| Denise Carlton | Algebra Glossary |
| Destination Math | Mastering Algebra 1 Glossary |
| Jim Loy | Words of Mathematics |
| Go Math | Slope, Equation, and Y-Intercept |
| Jim Reed | What are Linear Equations |
| Shodor | Slope Slider |
| Washington State University | Equations of Lines - A Tutorial |
| Zona Land | Equation of a Line - Slope-Intercept Form |
| Zona Land | Equation of a Line - Point-Slope Form |
| Zona Land | Equation of a Line - General Form |
| GCSE BiteSize Revision | Graphs - Test |
| KS3 BiteSize | Straight Line Graphs: Test Bite |
| 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 |
| Shodor | Positive Linear Function Machine |
| Shodor | Linear Function Machine |
| University of Stellenbosch | Inclination of a Line |
| Go Math | Slope, Equation, and Y-Intercept Worksheet |