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Warm up. 1. 2. . Lesson 11-4 Irrational Square Roots. Objective : To simplify radicals and to find decimal approximations of irrational square roots. Irrational Numbers . Irrational numbers are real numbers that cannot be expressed in the form a/b when a and b are integers.

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warm up
Warm up
  • 1.
  • 2.
lesson 11 4 irrational square roots

Lesson 11-4 Irrational Square Roots

Objective : To simplify radicals and to find decimal approximations of irrational square roots.

irrational numbers
Irrational Numbers
  • Irrational numbers are real numbers that cannot be expressed in the form a/b when a and b are integers.
    • Π is an irrational number
    • Nonterminating, nonrepeating decimals are irrational numbers
property of completeness
Property of Completeness
  • Every decimal number represents a real number, and every real number can be represented by a decimal.
simplifying radicals
Simplifying Radicals

Remember – there are two roots for every positive number.

The √ sign referring to the positive root unless there

is a sign in front of it.

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