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

Contained in the Book:Preliminaries and uncomplicated 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 knowledge you need—fast!CliffsNotes speedy evaluate publications provide you with a transparent, concise, easy-to-use evaluate of the fundamentals. Introducing every one subject, defining keyword phrases, and thoroughly jogging you thru pattern difficulties, this advisor is helping you take hold of and comprehend the $64000 techniques had to succeed.Master the Basics–FastComplete insurance of center conceptsEasy topic-by-topic organizationAccess 1000's of perform difficulties at CliffsNotes.com

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515151 . . 1474747 . . Notice that only the digits under the vinculum are repeated. Every infinite repeating decimal can be expressed as a fraction. Example 19: Find the fraction represented by the repeating decimal . 30 CliffsNotes Algebra I Quick Review Example 20: Find the fraction represented by the repeating decimal . Example 21: Find the fraction represented by the repeating decimal Percent A fraction whose denominator is 100 is called apercent. The word percent means hundredths (per hundred).

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.

The numerator tells you how many of these equal parts are being considered. Thus, if the fraction is of a pie, the denominator 5 tells you that the pie has been divided into five equal parts, of which 3 (numerator) are in the fraction. ” In other words, also means 3 out of 5 equal parts from the whole pie. Negative fractions Fractions may be negative as well as positive. ) However, negative fractions are typically written as follows: Adding positive and negative fractions The rules for signed numbers apply to fractions as well.