# Jerry Bobrow (author), Ed Kohn (revisor)'s Algebra I: Quick Review, 2nd Edition (Cliffs Notes) PDF

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

ISBN-10: 0470880287

ISBN-13: 9780470880289

ISBN-10: 1118005341

ISBN-13: 9781118005347

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 fast evaluation courses provide you with a transparent, concise, easy-to-use assessment of the fundamentals. Introducing each one subject, defining keyword phrases, and thoroughly jogging you thru pattern difficulties, this consultant is helping you snatch and comprehend the real suggestions had to succeed.Master the Basics–FastComplete assurance of center conceptsEasy topic-by-topic organizationAccess 1000s of perform difficulties at CliffsNotes.com

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**Extra resources for Algebra I: Quick Review, 2nd Edition (Cliffs Notes)**

**Example text**

Find the intersection {1,2,3} + {3,4,5}. {1,2,3} + {3,4,5} = {3} The intersection of the set with members 1, 2, 3 together with the set with members 3, 4, 5 is the set that has only the 3. If you were to let the set with {1,2,3} be setA, and the set with {3,4,5} be set B, then you could use Venn diagrams to illustrate the situation (see Figure 3–2). 44 CliffsNotes Algebra I Quick Review Figure 3–2 Intersection of set A and set B A 1 4 2 3 B 5 The union will be all the numbers represented in the diagram, {1,2,3,4,5}.

Change the answer, if in improper fraction form, back to a mixed number and reduce if necessary. Remember, the rules for multiplication of signed numbers apply here as well. Dividing fractions To divide fractions, invert (turn upside down) the second fraction (the one “divided by”) and multiply. Then reduce if possible. 26 CliffsNotes Algebra I Quick Review Example 13: Divide. Here, too, the rules for division of signed numbers apply. Dividing complex fractions Sometimes a division of fractions problem may appear in the following form (these are called complex fractions).

True or false: a(b + c) = (a)(b)(c) 5. 40 = 6. 3– 5 = 7. 45 × 48 = ______ (with exponents) 8. (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.

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

by Ronald

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