Khan Academy Static

A strong contender for coolest symbol in mathematics is the radical. What is it? How does it relate to exponents? How is the square root different than the cube root? How can I simplify, multiply and add these things? This tutorial assumes you know the basics of exponents and exponent properties and takes you through the radical world for radicals (and gives you some good practice along the way)!

1853_Understanding_square_roots.html

1854_Approximating_square_roots_to_hundredths.html

1852_Intro_to_square_roots.html

1855_Simplifying_square_roots.html