Section 2.6 Rationalizing Radicals

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Section 2.6 Rationalizing Radicals © Copyright all rights reserved to Homework depot: www.BCMath.ca

I) Review: Multiplying a binomial with it’s conjugate will eliminate all the radicals When we have a fraction with a radical in the denominator, we want to rationalize it by multiplying both the top and bottom by the conjugate of the denominator © Copyright all rights reserved to Homework depot: www.BCMath.ca

Ex: Simplify the following by rationalizing the denominator © Copyright all rights reserved to Homework depot: www.BCMath.ca

Ex: Simplify the following by rationalizing the denominator © Copyright all rights reserved to Homework depot: www.BCMath.ca

Ex: Simplify and Rationalize Rationalize each fraction separately Find the LCD so that you can add the fractions Combine the numerators (tops) when the bottom are the same © Copyright all rights reserved to Homework depot: www.BCMath.ca

Evaluate: © Copyright all rights reserved to Homework depot: www.BCMath.ca

Rationalize: © Copyright all rights reserved to Homework depot: www.BCMath.ca

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