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NAME ___________________________________________________ DATE _____________________ PERIOD __________ Lesson 6 Homework Practice Square Roots and Cube Roots Find each square root. 10 1. √100 2. √ 144 12 4. √ 121 11 5. √ -148 7. - √ 9 -3 8. - √ 49 not possible -7 11. √ 361 10. √ 529 23 not possible 3. √ -36 6. - √4 -2 16 9. √ 256 19 -14 12. - √ 196 Then estimate each square root to the nearest integer. 13. - √ 2 -1 14. √ 38 16. √ 131 11 17. √ 7 3 19. √ 168 13 20. √ 499 22 21. - √ 217 3 23. √ 343 7 3 24. √ 8 2 3 26. √ 729 9 3 27. √ -1 3 29. √ 512 8 3 30. √ -729 6 16 15. √ 249 18. √ 52 7 -15 Find each cube root. 3 22. √ -125 15 3 28. √ -8000 3 31. √ 1331 -20 11 3 32. √ -2744 -14 3 33. √ 64 -1 -9 4 Estimate each cube root to the nearest integer. 3 34. √ 647 9 3 35. √ 325 3 37. √ 1603 3 38. √ -3858 -16 3 39. √ -4551 3 41. √ -1006 -10 3 42. √ 7852 12 3 40. √ 181 6 3 36. √ -805 7 -9 -17 20 43. A square tarpaulin covering a softball field has an area of 441 m 2. What is the length of one side of the tarpaulin? 21 m 44. The volume of a cube is 2744 m 3. What is the length of an edge of the cube? 14 m 45. The highest observation deck on the Eiffel Tower in Paris is about 899 feet above the ground. h where d is About how far could a visitor see on a clear day? Use the equation d = 1.22 √ the distance to the horizon in miles and h is the person’s distance from the ground in feet. about 36.6 mi Math Accelerated • Chapter 4 Powers and Roots Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use. 3 25. √ 3375 -5