By William G. McCallum, Eric Connally, Deborah Hughes-Hallett

ISBN-10: 0470521430

ISBN-13: 9780470521434

ISBN-10: 0470556641

ISBN-13: 9780470556641

ISBN-10: 0471707082

ISBN-13: 9780471707080

This ebook bargains a clean method of algebra that makes a speciality of educating readers how you can really comprehend the foundations, instead of viewing them purely as instruments for different kinds of arithmetic. It depends on a storyline to shape the spine of the chapters and make the cloth extra attractive. Conceptual workout units are incorporated to teach how the knowledge is utilized within the actual international. utilizing symbolic notation as a framework, enterprise execs will come away with a drastically greater ability set.

**Read Online or Download Algebra: Form and Function PDF**

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**Extra resources for Algebra: Form and Function **

**Sample text**

1. 2x and 8x 2. 2x + 10 and x + 5 3. x/5 and 5/x 4. 2x2 − 5x and 25 − 3x2 In Exercises 5–14, are the expressions equivalent? 5. 3 EQUIVALENT EXPRESSIONS 6. 5r 8. (a − b)2 and a2 − b2 7. 3(z + w) and 3z + 3w √ 9. a2 + b2 and a + b 10. −a + 2 and −(a + 2) 11. (3 − 4t)/2 and 3 − 2t 2 2 2 12. bc − cd and c(b − d) 17 17. “Multiply by eighty percent” “Divide by eight-tenths” 18. The area of a triangle is often expressed as A = (1/2)bh. Is the expression bh/2 equivalent to the expression (1/2)bh? 19. Show that the following expressions have the same value at x = −8: 4 13.

1. The cost for two dinners is $18. In Exercises 5–9, write in words the statement represented by the equation. 5. 2x = 16 6. x = x2 7. s + 10 = 2s 8. 5t = 250 2. The cost for three dinners plus a $5 tip is $32. 3. 80. 4. 60. 9. y − 4 = 3y 12 Chapter 1 THE KEY CONCEPTS OF ALGEBRA In Exercises 10–15, is the value of the variable a solution to the equation? 10. t + 3 = t2 + 9, t = 3 11. x+3 = x2 −9, x = −3 12. x + 3 = x2 − 9, x = 4 13. 14. a+3 a−3 = 1, a = 0 3+a = 1, a = 0 3−a 21. Which of the following are equations?

24 = 6w 20. Which of the numbers in (a)–(d) is a solution to the equation? −3x2 + 3x + 8 = 3x(x + 1) + 1 2 (a) 1 (b) 0 (c) −1 (d) 2 30. T = 10 3 x 3 =1 31. 20 − x = 13 32. 5x = 20 33. t + 5 = 20 34. w/5 = 20 35. y − 5 = 20 36. 20 = 5 − x PROBLEMS town’s total allocation for firemen’s wage and benApago PDF41. Aefits Enhancer is $600,000. If wages are calculated at $40,000 37. The value of a computer t years after it is purchased is: Value of the computer = 3500 − 700t. (a) What is value of the computer when it is purchased?

### Algebra: Form and Function by William G. McCallum, Eric Connally, Deborah Hughes-Hallett

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