Algebra I: Quick Review, 2nd Edition (Cliffs Notes) by Jerry Bobrow (author), Ed Kohn (revisor)

By Jerry Bobrow (author), Ed Kohn (revisor)

Contained in the Book:Preliminaries and easy OperationsSigned Numbers, Frac-tions, and PercentsTerminology, units, and ExpressionsEquations, Ratios, and ProportionsEquations with Vari-ablesMonomials, Polynomials, and FactoringAlgebraic FractionsInequalities, Graphing, and Absolute ValueCoordinate GeometryFunctions and VariationsRoots and RadicalsQuadratic EquationsWord ProblemsReview QuestionsResource CenterGlossaryWhy CliffsNotes?Go with the identify you recognize and trust...Get the data you need—fast!CliffsNotes quickly overview publications offer you a transparent, concise, easy-to-use evaluate of the fundamentals. Introducing every one subject, defining key phrases, and punctiliously jogging you thru pattern difficulties, this consultant is helping you seize and comprehend the $64000 ideas had to succeed.Master the Basics–FastComplete insurance of center conceptsEasy topic-by-topic organizationAccess thousands of perform difficulties at CliffsNotes.com

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3,4,5} , {5,6,7} = 3. True or False: {5,6} ʚ {1,3,5} 4. Express algebraically: six more than three times a number n. 5. Evaluate: 6x2y if x = –2 and y = 4. 6. Evaluate: if a = 5, b = –1, and c = 3. Answers: 1. {2,4} 2. {3,4,5,6,7} 3. False 4. 3n + 6 5. 96 6. 0 CHAPTER 4 EQUATIONS, RATIOS, AND PROPORTIONS Cha pt e r Che ck- I n ❑ Axioms of equality ❑ Solving equations ❑ Solving proportions for value W orking with variables and solving equations often are considered the basis of algebra. Equations An equation is a mathematical sentence, a relationship between numbers and/or symbols that says two expressions are of equal value.

6 × 1012 5. 6. 125 7. 8. 25% CHAPTER 3 TERMINOLOGY, SETS, AND EXPRESSIONS Cha pt e r Che ck- I n ❑ Set theory ❑ Algebraic expressions ❑ Evaluating expressions nderstanding the language of algebra and how to work with algebraic expressions gives you a good foundation for learning the rules of algebra. U Set Theory A set is a group of objects, numbers, and so forth. {1,2,3} is a set consisting of the numbers 1,2, and 3. ” Therefore, you could have written: 3 ʦ {1,2,3} Special sets A subset is a set contained within another set, or it can be the entire set itself.

3 2)3 = ______ (with exponents) 9. = 10. Approximate: (to the nearest tenth) 11. Simplify: 3[10(4 + 32)] 12. The number 6,321 is divisible by which numbers between 1 and 10? Answers: 1. 3, 4, 0, –1, 2 2. 2, 5, 7 3. 0 4. False 5. 1 6. 9. 4 10. 3 11. 1080 12. 3, 7 7. 413 8. 36 CHAPTER 2 SIGNED NUMBERS, FRACTIONS, AND PERCENTS Cha pt e r Che ck- I n ❑ Positive and negative numbers ❑ Fractions ❑ Decimals ❑ Repeating decimals ❑ Percent ❑ Scientific notation s you get closer to entering the world of algebra, you should have a solid background in working with signed numbers, fractions, and percents.

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