Square Roots and Irrational Numbers

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Presentation transcript:

Square Roots and Irrational Numbers COURSE 2 LESSON 8-5 Identify each number as rational or irrational. a. 121 rational 121 is a perfect square. b. 30 irrational 30 is not a perfect square. c. –0.5167 rational It is a terminating decimal. d. 29.2992999. . . irrational The decimal neither terminates nor repeats. 8-5

Square Roots and Irrational Numbers COURSE 2 LESSON 8-5 Estimate each square root. 1. 6 2. 22 Identify each as rational or irrational. 3. 0.625 4. 150 about 2 about 5 rational irrational 8-5