A/1 Use fractional and negative indices
A/2 Manipulate simple surds
- http://www.khanacademy.org/math/algebra/exponents-radicals/e/simplifying_radicals
- http://www.khanacademy.org/math/algebra/exponents-radicals/e/adding_and_subtracting_radicals
- http://www.khanacademy.org/math/algebra/exponents-radicals/e/multiplying_radicals
- http://www.khanacademy.org/math/algebra/quadtratics/e/solving_quadratics_by_factoring
- http://www.khanacademy.org/math/algebra/quadtratics/e/solving_quadratics_by_factoring_2
- http://www.khanacademy.org/math/algebra/quadtratics/e/quadratic_equation
- http://www.khanacademy.org/math/algebra/quadtratics/e/completing_the_square_1
- http://www.khanacademy.org/math/algebra/quadtratics/e/completing_the_square_2