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Chap9 Section3

Elementary and Intermediate Algebra: Graphs & Models (3rd Edition)

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Section 9.3 Division Properties of Radicals 921 Version: Fall 2007 9.3 Exercises 1. Use a calculator to first approximate 5 / 2 . On the same screen, approxi- mate 5 / 2 . Report the results on your homework paper. 2. Use a calculator to first approximate 7 / 5 . On the same screen, approxi- mate 7 / 5 . Report the results on your homework paper. 3. Use a calculator to first approximate 12 / 2 . On the same screen, approx- imate 6 . Report the results on your homework paper. 4. Use a calculator to first approximate 15 / 5 . On the same screen, approx- imate 3 . Report the results on your homework paper. In Exercises 5 - 16 , place each radical ex- pression in simple radical form. As in Example 2 in the narrative, check your result with your calculator. 5. 3 8 6. 5 12 7. 11 20 8. 3 2 9. 11 18 10. 7 5 Copyrighted material. See: http://msenux.redwoods.edu/IntAlgText/ 1 11. 4 3 12. 16 5 13. 49 12 14. 81 20 15. 100 7 16. 36 5 In Exercises 17 - 28 , place each radical expression in simple radical form. As in Example 4 in the narrative, check your result with your calculator. 17. 1 12 18. 1 8 19. 1 20 20. 1 27 21. 6 8 22. 4 12
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922 Chapter 9 Radical Functions Version: Fall 2007 23. 5 20 24. 9 27 25. 6 2 3 26. 10 3 5 27. 15 2 20 28. 3 2 18 In Exercises 29 - 36 , place the given rad- ical expression in simple form. Use prime factorization as in Example 8 in the nar- rative to help you with the calculations.
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