Lesson: Rationalizing the Denominator with One Square Root
In this video, we discuss one of the most basic types of rationalizing a radical: when a square root is in the denominator of a fraction.
0:06 An outline of different ways to rationalize a denominator
0:28 What does it mean to rationalize a denominator?
0:49 A basic example of how to rationalize a denominator with a square root
1:33 Multiplying by the square root in the denominator only works with square roots - it does not work with higher roots!
1:38 More examples
Check out my playlist on radicals, roots, and rational exponents here: • Lesson: The Basics of Square Roots
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