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Intermediate Algebra (5th Edition) by R. David Gustafson, Alan S. Tussy

By R. David Gustafson, Alan S. Tussy

Algebra could be like a international language, yet INTERMEDIATE ALGEBRA, 5E, grants the instruments and perform you must absolutely comprehend the language of algebra and the "why" in the back of challenge fixing. utilizing procedure and Why factors in labored examples and a six-step challenge fixing method, INTERMEDIATE ALGEBRA, 5E, will consultant you thru an built-in studying strategy that might extend your reasoning skills because it teaches you the way to learn, write, and imagine mathematically. think convinced approximately your abilities via extra perform within the textual content and greater WebAssign. With INTERMEDIATE ALGEBRA, 5E, algebra will make experience since it is not only concerning the x...it's additionally in regards to the WHY.

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Example text

1. The quotient of two numbers with like signs is positive. 2. The quotient of two numbers with unlike signs is negative. EXAMPLE 4 Divide: a. 7 Ϫ44 b. 11 Ϫ9 Strategy We will use the rules for dividing positive and negative real numbers. Why Solution Each quotient involves signed numbers. a. Ϫ44 ϭ Ϫ4 11 Divide the absolute values, 44 by 11, to get 4. Since the signs are unlike, make the final answer negative. b. 3. Since the signs are like, the final answer is positive. Self Check 4 Now Try Divide: 55 a.

Describe the relationship between the number of antique dolls in her collection and the number of months since she began to purchase them. 58. a. the quotient of a number and 6 increased by the number b. the quotient of a number and 6, increased by the number 59. a. b. 60. a. b. 61. a. b. 62. a. b. 5% of 6 miles more than the altitude twice the sum of the tax and 200 the sum of twice the tax and 200 the square of 14 less than a number 14 less than the square of a number double the cube of a number the cube of double a number APPLICATIONS 63.

The / symbol is also used with inequality symbols. ” It is always possible to write an equivalent inequality with the inequality symbol pointing in the opposite direction. For example: If Ϫ3 Ͻ 4, it is also true that 4 Ͼ Ϫ3. 3. 16 CHAPTER 1 A Review of Basic Algebra EXAMPLE 4 The Language of Algebra A fraction and its decimal equivalent are different notation that represent the same value. Solution Use one of the symbols Ͼ or Ͻ to make each statement true. 3 b. 377 8 a. Ϫ24 Ϫ25 Strategy To pick the correct inequality symbol to place between a given pair of numbers, we need to determine the position of each on a number line.

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