By Laurie Boswell, Timothy D. Kanold, Lee Stiff, Holt Mcdougal

ISBN-10: 0618250182

ISBN-13: 9780618250189

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**Extra info for Algebra**

**Example text**

John Backus develops the programming language Fortran. 6 GOAL 1 What you should learn GOAL 1 Use tables to organize data. GOAL 2 Use graphs to organize real-life data, such as the amounts of various foods consumed in Example 2. Why you should learn it A collection of data is easier to understand when the data are organized in a table or in a graph. There is no “best” way to organize data, but there are many good techniques. Often it helps to put numbers in either increasing or decreasing order.

What is the width of the patio? 76. A cubic storage box is made with 96 square feet of wood. What is the length 77. AIRCRAFT DESIGN In the diagram, let x represent the length of a passenger jet and let y represent the jet’s wingspan. a. 212y = x say about the relationship between the length and the wingspan of the passenger jet? 199 ft 11 in. of each edge? FOCUS ON PEOPLE 242 ft 4 in. b. Is the passenger jet longer than it is wide or wider than it is long? Explain your reasoning. 78. RE FE L AL I CHUCK YEAGER was the first person to fly faster than the speed of sound (Mach 1) or about 660 miles per hour.

82 29. 6 4 30. 105 31. 7 4 32. 46 33. 93 34. 25 EVALUATING EXPRESSIONS Evaluate the expression for the given value of the variable. STUDENT HELP 35. 4n when n = 5 36. b4 when b = 9 37. x 6 when x = 10 38. c6 when c = 2 39. w 3 when w = 13 40. 5 HOMEWORK HELP Example 1: Example 2: Example 3: Example 4: Example 5: Example 6: 12 Exs. 17–25 Exs. 26–40 Exs. 41–46 Exs. 55–60 Ex. 61 Exs. 63–66 EXPONENTIAL EXPRESSIONS Evaluate the expression for the given values of the variables. 41. (x + y)2 when x = 5 and y = 3 42.

### Algebra by Laurie Boswell, Timothy D. Kanold, Lee Stiff, Holt Mcdougal

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