Exam Review 6 - Algebra and Graphing Answer Section MULTIPLE CHOICE 1. A 2. B 3. B 4. D 5. D 6. B 7. C 8. B 9. B 10. B 11. D 12. A 13. B 14. A SHORT ANSWER 15. = x 16. = x 17. = 3 x 18. = t 19. = 2 w 20. Substitute = 5 into the equation . y Left side = Right side = 23 21. Let be the number of hours. x Sean rented the boat for 7 h. 22. a) Let represent the number of weeks it will take Brandon to save enough money for the stereo. w 90 + 10w = 200 b) = 11 w It will take Brandon 11 weeks. 23. 24. 25. 26. Substitute = 4 into the equation . x Left side = Right side = –5 Since left side equals the right side, is the solution.
Exam Review 6 - Algebra and Graphing Answer Section MULTIPLE CHOICE 1. A 2. B 3. B 4. D 5. D 6. B 7. C 8. B 9. B 10. B 11. D 12. A 13. B 14. A SHORT ANSWER 15. x = 16. x = 17. x = 3 18. t = 19. w = 2 20. Substitute y = 5 into the equation . Left side = Right side = 23 21. Let x be the number of hours. Sean rented the boat for 7 h. 22. a) Let w represent the number of weeks it will take Brandon to save enough money for the stereo. 90 + 10w = 200 b) w = 11 It will take Brandon 11 weeks. 23. 24. 25. 26. Substitute x = 4 into the equation . Left side = Right side = –5 Since left side equals the right side, is the solution.