This page shows you a set of techniques that will allow you to rationalize a denominator in a high school or college math course. The rule is that an answer is not allowed to have a radical (square root symbol) in the denominator. We get rid of the radical by multiplying it by itself.
Instructions:
Click on the Example sheet, the Exercise sheet and the Answers sheet in order to view and print them.
Watch the video as many times as you wish.
Use the Example sheet as a model to help you complete the Exercise sheet.
Use the Answers sheet to correct your work.