Solve quadratic equations of the form (x+a)squared-b=0. These can be solved using square roots. For example, solve (x-5)squared-4=0. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...

Analyze the process of solving a quadratic equation by taking the square root.

Rewrite square roots of negative numbers as imaginary numbers.

This math site from Mathworld.com explains what a square root is including information on imaginary numbers and many links. This site also addresses the continued fractions of positive real square roots, in particular the square root of...

Practice solving square roots by changing the difficulty and assessing knowledge with a quiz.

A concentration game that allows students to show off their knowledge of powers and square roots.

This comprehensive study guide highlights the main terms and formulas needed to review irrational numbers and radicals. Examples are included.

This site offers numbers tricks to help multiply and divide large numbers mentally. There are also tricks for powers and roots of numbers.

Here is a site that clearly and thoroughly explains the quadratic equations, including how to solve them by factoring, completing the square, and using the quadratic formula. There are example problems solved, problems for the student to...

The resource consists of comprehensive learning tools such as class notes, video lectures, and templates through which students can review prealgebra topics.

Describes the life of Hero of Alexandria and discusses Hero's contribution to the development of the steam engine. Text is the actual radio transcript of a syndicated radio broadcast on invention and ingenuity.