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This resource focuses on the essential techniques for multiplying and simplifying radical expressions, particularly using the product rule for radicals. By exploring various examples, this guide helps students understand perfect squares, perfect cubes, and higher powers. Emphasis is placed on recognizing integers and their roots, along with specific rules to simplify radicals efficiently. Note that these principles apply only to real numbers and come with certain restrictions. Elevate your algebra skills by mastering these concepts!
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Math 71 7.3 – Multiplying and Simplifying Radical Expressions
Product Rule for Radicals (Disclaimer: Only works when are real #s. Some restrictions apply. See stores for details.)
Product Rule for Radicals Ex 1.Multiply:
Product Rule for Radicals Ex 1.Multiply:
Product Rule for Radicals Ex 1.Multiply:
Simplifying Radicals 4, 9, 16, 25, …, 100, 121, 144, … are ___________________(squares of integers) 8, 27, 64, 125, … are _____________________ 16, 81, 256, … are____________________
Simplifying Radicals 4, 9, 16, 25, …, 100, 121, 144, … are ___________________(squares of integers) 8, 27, 64, 125, … are _____________________ 16, 81, 256, … are____________________ perfect squares
Simplifying Radicals 4, 9, 16, 25, …, 100, 121, 144, … are ___________________(squares of integers) 8, 27, 64, 125, … are _____________________ 16, 81, 256, … are____________________ perfect squares perfect cubes
Simplifying Radicals 4, 9, 16, 25, …, 100, 121, 144, … are ___________________(squares of integers) 8, 27, 64, 125, … are _____________________ 16, 81, 256, … are____________________ perfect squares perfect cubes perfect fourth powers
Simplifying Radicals Ex 2.Simplify:
Simplifying Radicals Recall: If is even, . If is odd, . Note: If is nonnegative, then the first rule becomes _____.
Simplifying Radicals Recall: If is even, . If is odd, . Note: If is nonnegative, then the first rule becomes _____.
Simplifying Radicals Ex 3.Simplify (assume that all variables are positive real numbers).
Simplifying Radicals Ex 4.Multiply and simplify (assume that all variables are positive real numbers):