Hofstra University
Hofstra University: Radicals and Rational Exponents
Interactive review of radicals and rational exponents. Students can enter their answers to questions and be told in the right sidebar whither they are right or wrong. There is also a help button that gives the answer and an explanation.
Interactive Mathematics
Interactive Mathematics: Simplest Radical Form
The laws for simplifying radicals are presented along with several examples and exercises that put the laws to practice.
CK-12 Foundation
Ck 12: Algebra: Simplify Expressions
[Free Registration/Login may be required to access all resource tools.] This lesson covers combining like terms.
CK-12 Foundation
Ck 12: Algebra: Simplification of Radical Expressions
[Free Registration/Login may be required to access all resource tools.] Evaluate radical expressions