Math Planet
Math Planet: Solving Radical Equations
Gain an understanding of how to solve radical equations by viewing an example and a video lesson.
Khan Academy
Khan Academy: Extraneous Solutions of Equations
Practice some problems that involve thinking about the conditions for obtaining extraneous solutions while solving radical equations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
Khan Academy
Khan Academy: Radical Functions & Their Graphs
Given the formula of a square-root or a cube-root function, find the appropriate graph. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Square Root Equations Intro
Solve square-root equations by taking the square of both sides. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Solve Square Root Equations
Solve square-root equations by first arranging them and then taking the square of both sides. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
CK-12 Foundation
Ck 12: 2.7 Simple Radical Models
This section explores both expressions and equations with radical signs that can be modeled using real-world situations, and provides opportunities to simplify and/or solve problems that require eliminating radicals.
CK-12 Foundation
Ck 12: 2.6 Solving Radical Equations
This section explores the process for solving radical equations, including those with square, third, and fourth roots. It also investigates how, when, and why some solutions that appear to be correct are incorrect, and are therefore...
Khan Academy
Khan: Lsn 12: Exponential Functions, Equations, Expressions and Radicals
Lesson 2 of 4 for Passport to Advanced Math. Students will build quadratic and exponential functions that model a given context; solve radical equations; work with rational expressions, including fractions with a variable in the...
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Radical Equation
Site gives an example of solving radical equations.
Other
Oaklahoma City Community College: Radicals
The Oaklahoma City Community College offers information on radicals, including radical notation and laws governing the usage of radicals.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Solving Radical Equations
Find a quick, concise explanation of how to solve radical expressions. Examples are given and clearly explained.
Sophia Learning
Sophia: Radical Functions in the Real World
This video tutorial demonstrates how to write and solve radical functions using real-world scenarios. Students can check their understanding with an assessment.
Sophia Learning
Sophia: Terms Associated With Square Root Functions
The basic terms of a square root function are defined in this video tutorial. The lesson provides examples of radical functions, power functions, and radicands. Students can check their understanding with an assessment.
Interactive Mathematics
Interactive Mathematics: Equations With Radicals
Several equations containing radicals are solved to demonstrate the correct procedure. Caution is taken when checking solutions that do not work for the original equation.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Dividing and Multiplying Radicals
Site describes how one would multiply and divide radicals and simplify the final result by using examples.
National Council of Teachers of Mathematics
The Math Forum: Adding Radicals
This site from the Math Forum with Dr. Math provides a brief but factual answer to a question posted about adding radicals. Dr. Math answers the question well, and in two paragraphs describes the subject.
University of North Carolina
S University of North Carolina Wilmington: Olving Equations Algebraically
Site provides tutorial on solving algebraic equations including radical equations, quadratic equations, polynomial equations, fractional equations, absolute value equations.