MAT1050F10Key

# MAT1050F10Key - 32 5 8 16 y x 33 4 18 10 2 − − x x 34 2...

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PRACTICE EXAM PART A ANSWER KEY 1 . d b a e c f | | | | | | | | | | | | | -3 -2 1 2 -2 -1 1 2 -1 - 1 2 0 1 2 1 1 1 2 2 2 1 2 3 2 . 31 29 7 4 11 6 19 2 < < < 3. 37 . 0 375 . 0 8 3 < < 4. About 12 video games 5 . 14 13 6. About 250,000 7 . 12 gallons of white are needed 8. Carlos makes \$13.50 per hour 9. 5 4 3 inches of rain fell 10. It stretched 10.5 inches 11. 3 2 10 quarts of water 12. \$1260 13. 8 14. 2 2 4 x xy x + 15. 8 3 + x 16. 2 2 2 2 3 2 2 2 y y x xy x y x + + 17. 2 3 = y 18. 16 = A 1 9 . 1 2 = V P T 20. 4 0 % 21. 19 > u 22. 4 9 x 4 9

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23. () ( ) 2 , 0 0 , 6 24. a) () 4 , 0 b) 0 , 3 4 25. 2 7 = x 26. a) 2 1 = m b) 0 = m 27. () ( ) 2 , 3 0 , 3 28. a) undefined b) 0 = m c) 2 = m 29. a) May, July, August b) about 180 hot dogs
30. The angles are o 50 , o 100 , and o 30 . 31. Area is 28 square units
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Unformatted text preview: 32. 5 8 16 y x 33. 4 18 10 2 − + − x x 34. 2 2 4 4 x xy y + − 35. 9 2 − 36. 5 3 c b a 3 7 . 4 + x 38. 150 women 39. 8 7 − 40. 60 1 − 41. 3 2 = x or 3 2 − = x 42. 4 − = x or 3 = x 4 3 . The shirt was \$23.75. The package of socks was \$6.25. 44. c a b d | | | | | | | | | | | | | | | | | | | | |-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 45. 4 15 = x or 2 15 4 6 . x x 3 3 1 − 47. b is the largest 4 8 . length is 23 feet, width is 21 feet 49. 12 years 50. 9 160 5 − = F C...
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## This document was uploaded on 04/19/2011.

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MAT1050F10Key - 32 5 8 16 y x 33 4 18 10 2 − − x x 34 2...

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