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