By Alan S. Tussy
ISBN-10: 0495389617
ISBN-13: 9780495389613
Algebra may be like a overseas language. yet one textual content gives you an interpretation you could absolutely comprehend. construction a conceptual beginning within the "language of algebra," INTERMEDIATE ALGEBRA, 4e presents an built-in studying method that is helping you extend your reasoning talents because it teaches you the way to learn, write, and imagine mathematically. choked with real-life functions of math, it blends educational ways that come with vocabulary, perform, and well-defined pedagogy with an emphasis on reasoning, modeling, conversation, and know-how abilities. The authors' five-step problem-solving procedure makes studying effortless. extra student-friendly than ever, the textual content deals a wealthy choice of pupil studying instruments. more advantageous WebAssign on-line studying procedure is obtainable for another cost. With ordinary AND INTERMEDIATE ALGEBRA, 4e, algebra is smart!
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Extra info for Elementary and Intermediate Algebra, 4th Edition
Sample text
Use the multiplication property of 1: any number multiplied by 1 remains the same. 16 CHAPTER 1 An Introduction to Algebra 5 2 To simplify 10 15 , we removed a factor equal to 1 in the form of 5 . The result, 3 , is equivalent to 10 15 . We can easily identify the greatest common factor of the numerator and the denominator of a fraction if we write them in prime-factored form. EXAMPLE 5 Simplify each fraction, if possible: a. 63 42 b. 33 40 Strategy We will begin by prime factoring the numerator and denominator of the fraction.
14. What arithmetic operations does the equation 4y Ϫ 14 ϭ 5(6) contain? What variable does it contain? 15. Construct a line graph using the data in the following table. 2 40 3 60 4 80 5 100 300 200 100 0 9. a. m ϩ 18 ϭ 23 20 Depth Minutes (feet) 600 CONCEPTS Classify each item as an algebraic expression or an equation. 6 1 16. Use the data in the graph to complete the table. Depth (feet) 1. A is the result of an addition. A is the result of a subtraction. A is the result of a multiplication. A is the result of a division.
1 2 2 4 6 ϭ 6 ϭ 5 ؉ ϭ 5 2 4 4 4 4 3 3 3 3 Ϫ1 ϭ Ϫ1 ϭ Ϫ1 ϭ Ϫ1 4 4 4 4 3 4 4 6 Using vertical form, express 1 2 as an equivalent fraction with denominator 4. Then, borrow 1 in the form of 4 4 from 6 to subtract the fractional parts of the mixed numbers. The Downtown San Diego and Sea World Drive exits are 434 miles apart. Now Try Problem 107 10 1. 189 ϭ 3 ؒ 3 ؒ 3 ؒ 7 2. 27 4 1 8. a. 28 b. 5 9. 81 8 ϭ 108 ANSWERS TO SELF CHECKS form 6. 9 5 7. 13 240 12 3. 25 15 4. 24 3 5. a. 7 b. 2 10. What two equivalent fractions are shown?
Elementary and Intermediate Algebra, 4th Edition by Alan S. Tussy
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