Download PDF by Margaret L. Lial, John Hornsby, Terry McGinnis: Algebra for College Students

By Margaret L. Lial, John Hornsby, Terry McGinnis

ISBN-10: 0321168305

ISBN-13: 9780321168306

The Lial sequence has helped millions of scholars achieve developmental arithmetic via its pleasant writing sort, various lifelike examples, vast challenge units, and whole supplementations package deal. according to its confirmed song checklist, this revision contains a new open layout, extra workouts and purposes, and extra positive aspects to assist either scholars and teachers be successful.

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Desk des matières du livre :

Chapitre I. — Opérations sur les nombres entiers
    1. Les nombres entiers
    2. Addition. Somme
    3. Multiplication. Produit
    4. Suites d’additions et de multiplications. — utilization des parenthèses
    5. Produits de sommes
    6. Pratique de l’addition
    7. Pratique de los angeles multiplication
    8. Soustraction. Différence
    9. Polynômes arithmétiques
    10. Produits de différences
    11. Pratique de los angeles soustraction
    12. Multiples et diviseurs d’un nombre. — Quotient exact
    13. Multiples et diviseurs d’un nombre (suite)
    14. Quotient de deux nombres à une unité près

Chapitre II. — Divisibilité
    15. Divisibilité par 2 et 5 ; par four et 25
    16. Divisibilité par nine et par 3
    17. Multiples et diviseurs communs à deux ou plusieurs nombres
    18. Nombres premiers
    19. Décomposition d’un nombre en un produit de facteurs premiers
    20. Recherche des diviseurs d’un nombre
    21. Plus grand commun diviseur
    22. Plus petit commun multiple
    23. Nombres premiers entre eux
    Problèmes sur le chapitre II

Chapitre III. — Fractions et nombres décimaux
    24. proposal de fraction
    25. Fractions égales
    26. Simplification des fractions
    27. Réduction des fractions au même dénominateur
    28. Multiplication des fractions
    29. department des fractions
    30. Addition des fractions
    31. Comparaison des fractions. — Soustraction des fractions
    32. Opérations sur les sommes, différences et produits de nombres entiers ou fractionnaires
    33. Fractions décimales. — Nombres décimaux
    34. Opérations sur les nombres décimaux
    35. Quotient de deux nombres à une unité décimale près
    36. Fractions ordinaires et nombres décimaux
    Problèmes sur le chapitre III

Chapitre IV. — Nombres complexes
    37. Nombres complexes

Chapitre V. — Arithmétique littérale. — Résolution algébrique des problèmes
    38. Expressions littérales
    39. Égalités et équations
    40. Résolution algébrique des problèmes

Chapitre VI. — Racine carrée
    41. Racine carrée
    42. Recherche de los angeles racine carrée d’un nombre
    43. Extraction de l. a. racine carrée d’un nombre
    Problèmes sur le chapitre VI

Chapitre VII. — Rapports et proportions. — Applications
    44. Rapport de deux nombres
    45. Proportions
    46. Suite de rapports égaux. — Nombres proportionnels
    47. Grandeurs proportionnelles
    48. Pourcentages et bénéfices
    49. Intérêts simples
    50. Escompte commercial
    Problèmes sur le chapitre VII

Additional resources for Algebra for College Students

Example text

2 Formulas 57 Formulas OBJECTIVES 1 Solve a formula for a specified variable. 2 Solve applied problems using formulas. 3 Solve percent problems. A mathematical model is an equation or inequality that describes a real situation. Models for many applied problems already exist; they are called formulas. A formula is a mathematical equation in which variables are used to describe a relationship. Some formulas that we will be using are and d ෇ rt, I ෇ prt, P ෇ 2L ϩ 2W. A list of some common formulas used in algebra is given inside the covers of the book.

P2 ෇ 36 and xϩ1 9 ෇ 8 8 2 mϩ1 ෇ mϪ1 mϪ1 p෇6 An Addison-Wesley product. Copyright © 2004 Pearson Education, Inc. 2 Formulas OBJECTIVES 1 Solve a formula for a specified variable. 2 Solve applied problems using formulas. 3 Solve percent problems. A mathematical model is an equation or inequality that describes a real situation. Models for many applied problems already exist; they are called formulas. A formula is a mathematical equation in which variables are used to describe a relationship. Some formulas that we will be using are and d ෇ rt, I ෇ prt, P ෇ 2L ϩ 2W.

5r Ϫ 9r ϩ 8r Ϫ 5 27. Ϫ6p ϩ 5 Ϫ 4p ϩ 6 ϩ 11p 28. Ϫ8x Ϫ 12 ϩ 3x Ϫ 5x ϩ 9 29. 3͑k ϩ 2͒ Ϫ 5k ϩ 6 ϩ 3 30. 5͑r Ϫ 3͒ ϩ 6r Ϫ 2r ϩ 4 31. Ϫ2͑m ϩ 1͒ Ϫ ͑m Ϫ 4͒ 32. 6͑a Ϫ 5͒ Ϫ ͑a ϩ 6͒ 33. 5͑6 ϩ 2p͒ 34. 8͑5 ϩ 10x͒ 35. Ϫ͑2p ϩ 5͒ ϩ 3͑2p ϩ 4͒ Ϫ 2p 36. Ϫ͑7m Ϫ 12͒ Ϫ 2͑4m ϩ 7͒ Ϫ 8m 37. 2 ϩ 3͑2z Ϫ 5͒ Ϫ 3͑4z ϩ 6͒ Ϫ 8 38. Ϫ4 ϩ 4͑4k Ϫ 3͒ Ϫ 6͑2k ϩ 8͒ ϩ 7 Complete each statement so that the indicated property is illustrated. Simplify each answer, if possible. 40. 9y Ϫ 6y ෇ 39. 5x ϩ 8x ෇ (distributive property) (distributive property) 41.

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Algebra for College Students by Margaret L. Lial, John Hornsby, Terry McGinnis


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