Margaret L. Lial's Algebra for College Students (5th Edition) (MathXL Tutorials PDF

By Margaret L. Lial

ISBN-10: 0321168305

ISBN-13: 9780321168306

The Lial sequence has helped hundreds of thousands of scholars achieve developmental arithmetic via its pleasant writing kind, a number of practical examples, huge challenge units, and whole vitamins package deal. in line with its confirmed tune list, this revision contains a new open layout, extra workouts and functions, and extra beneficial properties to aid either scholars and teachers prevail.

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Additional resources for Algebra for College Students (5th Edition) (MathXL Tutorials on CD Series)

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Notice that 2͑3 ϩ 5͒ ෇ 2 и 8 ෇ 16 and 5 Use the multiplication property of 0. 2 и 3 ϩ 2 и 5 ෇ 6 ϩ 10 ෇ 16, so 3 2͑3 ϩ 5͒ ෇ 2 и 3 ϩ 2 и 5. 5 2 2 Area of left part is 2 . 3 = 6. Area of right part is 2 . 5 = 10. Area of total rectangle is 2(3 + 5) = 16. FIGURE 16 This idea is illustrated by the divided rectangle in Figure 16. Similarly, Ϫ4͓5 ϩ ͑Ϫ3͔͒ ෇ Ϫ4͑2͒ ෇ Ϫ8 and Ϫ4͑5͒ ϩ ͑Ϫ4͒͑Ϫ3͒ ෇ Ϫ20 ϩ 12 ෇ Ϫ8, so Ϫ4͓5 ϩ ͑Ϫ3͔͒ ෇ Ϫ4͑5͒ ϩ ͑Ϫ4͒͑Ϫ3͒. These arithmetic examples are generalized to all real numbers as the distributive property of multiplication with respect to addition, or simply the distributive property.

Now Try Exercise 47. 2 EXERCISES For Extra Help Student’s Solutions Manual MyMathLab InterAct Math Tutorial Software AW Math Tutor Center MathXL Digital Video Tutor CD 2/Videotape 2 RELATING CONCEPTS (EXERCISES 1–6) For Individual or Group Work Consider the following equations: First Equation x෇ 5x ϩ 8 3 Second Equation t෇ bt ϩ k ͑c c 0͒. Solving the second equation for t requires the same logic as solving the first equation for x. When solving for t, we treat all other variables as though they were constants.

08 b ෇ percent 3550 Multiply by 3550. 08͑3550͒ x ෇ 284. The interest earned is $284. Now Try Exercises 37 and 39. Graphs sometimes represent the percents of a whole amount that satisfy certain conditions. An Addison-Wesley product. Copyright © 2004 Pearson Education, Inc. 62 CHAPTER 2 Linear Equations, Inequalities, and Applications EXAMPLE 6 Interpreting Percents from a Graph The country of origin of immigrants to the United States is shifting from mainly European in the 19th century to Hispanic (from Mexico and Central America) and Asian.

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Algebra for College Students (5th Edition) (MathXL Tutorials on CD Series) by Margaret L. Lial

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