Interactive Mathematics
Interactive Mathematics: Algebraic Solutions of Systems
Nonlinear systems are solved using the algebraic methods of substitution and addition/subtraction. Learn how these methods work through detailed examples.
Massachusetts Institute of Technology
Mit: Open Course Ware: Differential Equations
The online course consists of educational materials about differential equation. Video lectures, readings, syllabus, exams, interactive mathlets, and assignments with solutions are included.
Alabama Learning Exchange
Alex: Relationship Between Height and Length
In this lesson, eighth grade students will collect data. They will use this data to analyze the relationship between the height of an individual and the length of his/her foot. Students will use a line of fit to make predictions for...
Khan Academy
Khan Academy: Interpret Equations Graphically
Practice the connection between the graphical representation of equations and their algebraic solutions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Interpret Equations Graphically
Practice the connection between the graphical representation of equations and their algebraic solutions.
Wolfram Research
Wolfram Math World: Symmetry
This site provides a detailed explaination of symmetry and many links to related topics.
Other
University of Bristol: Tacoma Narrows Bridge Disaster
The Tacoma Narrows Bridge disaster was caused by wind vibrations. Wind in a valley spanned by the Tacoma Narrows Bridge causes the bridge to vibrate so much it collapsed. Shows pictures of the bridge as it is collapsing.