By Margaret L. Lial

Is there something extra attractive than an “A” in Algebra? to not the Lial group! Marge Lial, John Hornsby, and Terry McGinnis write their textbooks and accompanying assets with one target in brain: giving scholars the entire instruments they should be successful. With this revision, the Lial staff has extra sophisticated the presentation and routines through the textual content. they give a number of interesting new assets for college students that might supply additional support whilst wanted, whatever the studying surroundings (classroom, lab, hybrid, on-line, etc)–new learn abilities actions within the textual content, an elevated video application to be had in MyMathLab and at the Video assets on DVD, and extra!

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**Example text**

57. 51- 72 58. 61- 92 59. - 81- 52 1 61. - 10a - b 5 1 62. - 1- 182 2 63. 65. - 5 12 a- b 2 25 66. - 69. 452 9 21 a- b 7 36 3 1- 162 4 67. - 70. 142 3 24 a- b 8 9 71. 142 60. - 201- 42 64. 3 1- 352 5 68. - 2 77 a- b 11 4 72. 12 Divide where possible. See Example 7. 73. - 14 2 74. - 39 13 75. - 24 -4 76. - 45 -9 77. 100 - 25 78. 150 - 30 79. 0 -8 80. 0 - 14 81. 5 0 82. 13 0 10 12 83. , a- b 17 5 87. 2 22 33 84. , a- b 23 5 88. 2 12 13 85. 4 3 89. 01 7 6 86. 1 30 90. 06 22 CHAPTER 1 Review of the Real Number System Exercises 91–116 provide more practice on operations with fractions and decimals.

042 111. 84 , 6 112. 84 , 8 113. 522 114. 252 106. 15 16 5 115. 715 116. 212 Solve each problem. 117. The highest temperature ever recorded in Juneau, Alaska, was 90°F. The lowest temperature ever recorded there was - 22°F. What is the difference between these two temperatures? ) 118. On August 10, 1936, a temperature of 120°F was recorded in Ponds, Arkansas. On February 13, 1905, Ozark, Arkansas, recorded a temperature of - 29°F. What is the difference between these two temperatures? ) 119. 35 in his checking account.

2c + a 3 4b + 6a 86. 25. See Example 7. 87. wy - 8x 88. wz - 12y 89. xy + y 4 90. xy - x 2 91. - w + 2x + 3y + z 92. w - 6x + 5y - 3z 93. 7x + 9y w 94. 3 Exponents, Roots, and Order of Operations 31 Solve each problem. 44 to determine their property taxes, where v is assessed home value. ) Use the expression to calculate the amount of property taxes to the nearest dollar that the owner of a home with each of the following values would pay. Follow the order of operations. 95. $100,000 96. $150,000 97.