Chap9 Section4

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

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Section 9.4 Radical Expressions 941 Version: Fall 2007 9.4 Exercises In Exercises 1 - 14 , place each of the rad- ical expressions in simple radical form. Check your answer with your calculator. 1. 2(5 7) 2. 3(2 3) 3. 3(2 5) 4. 2(3 7) 5. 3(5 6) 6. 2( 3 10) 7. (2 5)( 3 3) 8. ( 5 2)( 2 7) 9. ( 4 3)(2 6) 10. (2 5)( 3 10) 11. (2 3) 2 12. ( 3 5) 2 13. ( 5 2) 2 14. (7 11) 2 In Exercises 15 - 22 , use the distributive property to multiply. Place your final answer in simple radical form. Check your result with your calculator. 15. 2(3 + 5) 16. 3(4 7) 17. 2( 5 + 4 2) Copyrighted material. See: 1 18. 3(4 3 2) 19. 2(2 + 2) 20. 3(4 6) 21. 2( 10 + 14) 22. 3( 15 33) In Exercises 23 - 30 , combine like terms. Place your final answer in simple radical form. Check your solution with your cal- culator. 23. 5 2 + 7 2 24. 2 3 + 3 3 25. 2 6 8 6 26.
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