How to recognize and factor a binomial that is the difference of perfect squares.
How to factor perfect square trinomials.
How to solve a quadratic equation by completing the square.
How to find square roots of integers.
How to recognize special products of polynomials.
How to solve quadratic equations using square roots.
How to simplify radicands.
How to add and subtract radical expressions.
How to solve word problems when mixing two quantities with different prices.
How to solve word problems about mixing two liquids with different percent concentrations.