By Margaret L. Lial
Is there something extra attractive than an “A” in Algebra? to not the Lial workforce! Marge Lial, John Hornsby, and Terry McGinnis write their textbooks and accompanying assets with one aim in brain: giving scholars all of the instruments they should be successful. With this revision, the Lial staff has additional subtle the presentation and routines through the textual content. they give numerous intriguing new assets for college students that may supply additional support while wanted, whatever the studying setting (classroom, lab, hybrid, on-line, etc)–new research talents actions within the textual content, an multiplied video application to be had in MyMathLab and at the Video assets on DVD, and extra!
Read Online or Download Beginning Algebra, 11th Edition PDF
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Extra info for Beginning Algebra, 11th Edition
Example text
The sum of a number and four is six. x + 4 = 6 Use x for the unknown number. One by one, mentally substitute each number from the given set 50, 2, 4, 6, 8, 106 in x + 4 = 6. Since 2 + 4 = 6 is true, 2 is the only solution. (b) Nine more than five times a number is 49. Start with 5x, and then add 9 to it. 5x + 9 The word is translates as =. = 49 5 # x = 5x Substitute each of the given numbers. The solution is 8, since 5 # 8 + 9 = 49 is true. (c) The sum of a number and 12 is equal to four times the number.
64 , 4 30. 11 + 7 33. # 1 4 36. 11 # # 2 28. 250 , 5 6 31. 2 # 2 2 + 3 5 11 3 # 4 + 10 39. 10 + 40 , 5 # 34. 9 4 # # 4 2 + 3 5 # 37. 20 - 4 3 29. 13 + 9 2 # 5 32. 1 5 3 35. 9 3 + 5 # 4 - 8 38. 18 - 7 # # 3 2 + 6 40. 12 + 64 , 8 - 4 41. 18 - 213 + 42 42. 30 - 314 + 22 43. 314 + 22 + 8 44. 911 + 72 + 2 45. 18 - 46. 22 - 2 + 3 42 23 # 3 + 9 49. 533 + 412 224 51. 323111 + 32 - 44 52. 423113 + 42 - 84 2182 - 42 + 8 55. 29 - 33 5 47. 2 + 335 + 41224 48. 5 + 431 + 71324 54. # 50. 632 + 813324 53. 416 + 22 + 818 - 32 56.
9 61. 0 Ú 12 # # 3 … 60 # 3 - 6 # 67. 4 + 51224 3 + 514 - 12 # 2 69. 3 Ú # 3 + 4 66. 2 Ú 3 5 Ú 48 2 - 15 # 1 # 37 # 5 - 31224 … 58 713 + 12 - 2 … 2 3 + 5 # 2 318 - 32 + 214 - 12 70. 7 … 916 - 22 - 1115 - 22 68. 4 + 1 215 + 12 - 311 + 12 # # # 64. 55 Ú 334 + 314 + 124 3 7 72 518 - 62 - 4 5 - 12 … 18 62. 10 … 13 6 63. 45 Ú 232 + 312 + 524 65. 33 # # 2 Concept Check Insert one pair of parentheses so that the left side of each equation is equal to the right side. 71. 3 # 6 + 4 # 2 = 60 74. 15 - 10 - 2 = 7 72.
