Algebra: Introductory and Intermediate, Fourth Edition by Joanne Lockwood, Vernon C. Barker Richard N. Aufmann

By Joanne Lockwood, Vernon C. Barker Richard N. Aufmann

With the entire help of the well known Aufmann method, this well known blend textual content is helping your scholars arrange to grasp university algebra and to use algebra within the genuine international.

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37 50. 05 51. 02 52. 175 53. 125 54. 15 55. 36 56. 008 57. 004 62. 5 11 67. 2 Write as a percent. 58. 27 50 59. 83 100 60. 1 3 61. 63. 4 9 64. 7 8 65. 9 20 66. 1 Objective C 3 8 2 3 1 2 To add or subtract rational numbers Add or subtract. 5 5 Ϫ 6 9 69. Ϫ 6 17 ϩ 13 26 70. Ϫ 7 5 ϩ 12 8 ͩ ͪ 71. ͩ ͪ 5 3 Ϫ Ϫ 8 4 72. 3 11 Ϫ 5 12 73. 11 5 Ϫ 12 6 74. Ϫ 2 11 Ϫ Ϫ 3 18 75. Ϫ 76. 1 5 2 ϩ Ϫ 3 6 9 77. 1 2 1 Ϫ ϩ 2 3 6 78. Ϫ 5 3 7 ϩ Ϫ 16 4 8 79. ͩ ͪ 5 11 Ϫ Ϫ 8 12 ͩ ͪ 1 3 1 Ϫ Ϫ Ϫ 2 8 4 Copyright © Houghton Mifflin Company.

4ϩ2ϭ6 +4 –7 –6 –5 – 4 –3 –2 –1 Ϫ4 ϩ (Ϫ2) ϭ Ϫ6 −2 +2 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 4 5 6 7 −4 –7 –6 –5 – 4 –3 –2 –1 Ϫ4 ϩ 2 ϭ Ϫ2 −4 +2 –7 –6 –5 – 4 –3 –2 –1 4 ϩ (Ϫ2) ϭ 2 +4 −2 –7 –6 –5 – 4 –3 –2 –1 0 1 2 3 The pattern for the addition of integers shown on the number line can be summarized in the following rule. Copyright © Houghton Mifflin Company. All rights reserved. Addition of Integers • Numbers with the same sign To add two numbers with the same sign, add the absolute values of the numbers.

17(Ϫ13) 131. Ϫ42 Ϭ 6 136. 57 Ϭ (Ϫ3) 141. 98 Ϫ7 146. Ϫ Ϫ114 Ϫ6 147. 0 Ϭ (Ϫ9) 148. 0 Ϭ (Ϫ14) 149. Ϫ261 9 150. Ϫ128 4 151. 9 Ϭ 0 152. (Ϫ21) Ϭ 0 153. 132 Ϫ12 154. 250 Ϫ25 155. 0 0 156. Ϫ58 0 157. 7(5)(Ϫ3) 158. (Ϫ3)(Ϫ2)8 159. 9(Ϫ7)(Ϫ4) 160. (Ϫ2)(6)(Ϫ4) 161. 16(Ϫ3)5 162. 20(Ϫ4)3 163. Ϫ4(Ϫ3)8 164. Ϫ5(Ϫ9)6 165. Ϫ3(Ϫ8)(Ϫ9) 166. Ϫ7(Ϫ6)(Ϫ5) 167. (Ϫ9)7(5) 168. (Ϫ8)7(10) 169. 7(Ϫ2)(5)(Ϫ6) 170. (Ϫ3)7(Ϫ2)8 171. Ϫ9(Ϫ4)(Ϫ8)(Ϫ10) 172. Ϫ11(Ϫ3)(Ϫ5)(Ϫ2) 173. 7(9)(Ϫ11)4 174. Ϫ12(Ϫ4)7(Ϫ2) 175. (Ϫ14)9(Ϫ11)0 176. (Ϫ13)(15)(Ϫ19)0 Copyright © Houghton Mifflin Company.

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