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# algebra+pretest+answers+pg+474 - g 3 35 θ 1 2 = x 4 36 4 z...

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SOLUTIONS FOR THE PRETEST 517 PRETEST Solutions for the Pretest 1. y = 500 + 200 x 2. a = 20 3. a 1 = 1 4 and a 2 = 1 5 4. A: - 2 , B: - 1 , C: 0, D: 1. 5. P 0 = P (1 + r/n ) t 6. r = n ( P 1 /t - 1) 7. 9 8. x = - 7 9. (c): 25 - ( x - 3) 2 10. (0 , 8) 11. P Q y = x 3 + 8 x y Figure A.1 ( - 2 , 0) 12. 20 13. (a): E 2 + T E 14. (c): u + y uy 15. (b): x 2 + y 2 xy 16. - 2 / 3 17. x 28 18. W 13 / 6 19. 10 uv - 15 20. p = 5 3 21. x = 5 - a 7 22. w = 36 23. n = 15 2 24. q = A C + D 25. x = 1 2 y - 2 26. x = - 9 2

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518 APPENDIX /SOLUTIONS 27. s = - 3 28. 6 x (2 x - a 2 ) 29. Cab ( Ca 2 - b 2 ) 30. (b): ( x - 3)( x + 5) 31. x = 2 , x = - 1 , x = 5 / 2 32. 10 33. W = 0 and W = 6 . 34. s = g 2 + 3
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Unformatted text preview: g + 3 35. ( θ + 1) 2 = x 4 36. 4 z 2 + 4 z 37. a = 2 38. a = 4 39. w = 1 40. 55 ◦ F 41. M = 0 . 42 42. 8 cm 2 43. 2 . 5 cm 2 44. 4 . 2% 45. \$14 , 280 46. \$36 . 45 Solutions on Trigonometry 1. 1 2. x = 0 , x = π , x = 2 π 3. 540 ◦ 4. (2 π, 5)...
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algebra+pretest+answers+pg+474 - g 3 35 θ 1 2 = x 4 36 4 z...

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