Simplifying%20Radical%20Expressions

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Lesson 11-1

• Simplifying Radical Expressions

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Transparency 3-1
5-Minute Check on Chapter 2

• Evaluate 42 - x - 7 if x -3
• Find 4.1 ? (-0.5)
• Simplify each expression
• 3. 8(-2c 5) 9c
  4. (36d 18) / (-9)
• A bag of lollipops has 10 red, 15 green, and 15
  yellow lollipops. If one is chosen at random,
  what is the probability that it is not green?
• Which of the
  following is a true statement

Standardized Test Practice
8/4 lt 4/8
-4/8 lt -8/4
-4/8 gt -8/4
-4/8 gt 4/8
A
C
B
D
Click the mouse button or press the Space Bar to
display the answers.
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Objectives

• xxxxxx

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Vocabulary

• Radical Expression
• Radicand
• Rationalizing the denominator
• Conjugate

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Square Root Properties

• Product Property
• English The square root of a product is equal
  to the product of its square roots
• Symbols
• Quotient Property
• English The square root of a quotient is equal
  to the quotient of its square roots
• Symbols

vab va ? vb
a va --- ---- b
vb
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Example 1
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Example 2
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Example 3
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Example 4a
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Example 4b
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Example 4c
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Example 5
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Summary Homework

• Summary
• A radical expression is in simplest form when
• no radicands have perfect square factors other
  than 1,
• no radicands contain fractions, and
• no radicals appear in the denominator of a
  fraction
• Homework
• pg