Oswego City School District
Regents Exam Prep Center: Radical Equations
A thorough look at radical equations and how to solve them, including examples of several of the trickier types of problems and several of the common mistakes students make while solving them. Two interactive quizzes are provided for the...
Wolfram Research
Wolfram Mathworld: Vinculum
A brief description of the viniculum, a part of the radical sign, notation for repeating decimals, distance between two points, and more.