5 stars (Further adventures with algebra...) - This book is currently being used by the community college where I tutor as a book for the internet version of Intermediate Algebra, a course that most of our two-year degree programmes require as part of the mathematics requirement, and one of the most 'popular' courses at the tutor centre. Because this book is used by the internet course, it has to be well crafted to enable students to learn from on their own, and indeed, it seems to pass muster on that account. The organisation of the book is fairly standard for algebra texts of this level: basic number theory is introduced (which should be a refresher or review from previous basic mathematics or algebra courses), the linear equations and inequalities are introduced, with equations of one variable, some elementary set operations, and the concept of inequalities. The third chapter introduces graphs, with the x-y coordinate axis, two-variable equations introduced. The fourth chapter looks at systems of equations, both in two and three variables, and introduces matrix methodology. The fifth chapter develops the ideas of exponents, introducing scientific notation and polynomial multiplication and division. This is a prelude to factoring, the subject of chapter six. Trinomial factors, special cases and general approaches are discussed, including the grouping method and trial-and-error. Chapter seven looks at rational expressions, complex fractions, and applications that build upon the factoring. Chapter eight introduces roots and radicals as a prelude to the quadratic equation in chapter nine. Graphing of functions such as parabolas is developed here. Chapter ten looks at logarithmic, inverse and exponential functions, leading to analytic geometry topics such as conic sections, nonlinear functions and nonlinear systems in chapter eleven. This include hyperbolas, circles, and ellipses. The final chapter addresses the ideas of series (arithmetic sequences, ge... Addison Wesley :: Mathematics & Algebra & General :: Science&Mathematics :: Mathematics :: Algebra - Elementary :: Algebra :: Terry McGinnis :: John Hornsby :: Margaret L Lial :: :: Intermediate Algebra- Ninth Edition
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