3. 11.2 inches by 4.3 inches EXERCISE 1-7 In Problems 1-6, determine the validity of each statement. If a statement is false, explain why. A B Most these Solve 23. 1. If x2 = 5, then x = ±√5. 2. V√25 = ±5 24. 3. (√x-1+ 1) = x 4. (Vx-1)² + 1 = x 25. 5. If x=2, then x = 8. Solve: 6. If x1/3=8, then x = 2. 26. 27. 7. Vx+2=4 9. √3y-2=y-2 11. V5w+6w=2 13. √31-2=1-2√t 15. m+2m² - 15 = 0 17. 3xVx² - 2 8. √x-4=2 28. 10. V4y+1=5-y 29. 12. V2w 3+ w = 1 30. 14. V5t +42√t=1 31. 16. m + 4m² - 12 = 0 33. 18. x= = √√√5x²+9 35. 19. 2y + 5y13 – 12 = 0 20. 312/3+2y1/3 - 8 = 0 Sol sub 21. (m² - 2m)² + 2(m² - 2m) = 15 22. (m²+2m) -6(m² + 2m) = 16 37. 39. ecifically 79
3. 11.2 inches by 4.3 inches EXERCISE 1-7 In Problems 1-6, determine the validity of each statement. If a statement is false, explain why. A B Most these Solve 23. 1. If x2 = 5, then x = ±√5. 2. V√25 = ±5 24. 3. (√x-1+ 1) = x 4. (Vx-1)² + 1 = x 25. 5. If x=2, then x = 8. Solve: 6. If x1/3=8, then x = 2. 26. 27. 7. Vx+2=4 9. √3y-2=y-2 11. V5w+6w=2 13. √31-2=1-2√t 15. m+2m² - 15 = 0 17. 3xVx² - 2 8. √x-4=2 28. 10. V4y+1=5-y 29. 12. V2w 3+ w = 1 30. 14. V5t +42√t=1 31. 16. m + 4m² - 12 = 0 33. 18. x= = √√√5x²+9 35. 19. 2y + 5y13 – 12 = 0 20. 312/3+2y1/3 - 8 = 0 Sol sub 21. (m² - 2m)² + 2(m² - 2m) = 15 22. (m²+2m) -6(m² + 2m) = 16 37. 39. ecifically 79
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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