Transcription of CHAPTER 12: RADICALS Contents
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CHAPTER 12 317 CHAPTER 12: RADICALS CHAPTER Objectives By the end of this CHAPTER , students should be able to: Simplify radical expressions Rationalize denominators (monomial and binomial) of radical expressions Add, subtract, and multiply radical expressions with and without variables Solve equations containing RADICALS Contents CHAPTER 12: RADICALS .. 317 SECTION INTRODUCTION TO RADICALS .. 319 A. INTRODUCTION TO PERFECT SQUARES AND PRINCIPAL square root .. 319 B. INTRODUCTION TO RADICALS .. 320 C. SIMPLIFY RADICALS WITH PERFECT PRINCIPAL root .. 322 D. SIMPLIFY RADICALS WITH PERFECT PRINCIPAL root USING EXPONENT RULE .. 323 E. SIMPLIFY RADICALS WITH NO PERFECT root .
You can think of the square root as the opposite or inverse of squaring. Actually, numbers have two square roots. One is positive and one is negative. 5 ⋅5 = 25 and −5 ∙−5 = 25. To avoid confusion . √25 = 5 and −√25 = −5 What about these square roots? √20. √61
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