C3HomeworkFM.pe 3/23/06 11:49 AM Page I Holt Mathematics

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C3HomeworkFM.pe3/23/0611:49 AMPage iHoltMathematicsCourse 3Homework and PracticeWorkbook

C3HomeworkFM.pe3/23/0611:49 AMPage iiCopyright by Holt, Rinehart and WinstonAll rights reserved. No part of this publication may be reproduced or transmitted in any form orby any means, electronic or mechanical, including photocopy, recording, or any informationstorage and retrieval system, without permission in writing from the publisher.Teachers using HOLT MATHEMATICS may photocopy complete pages in sufficient quantitiesfor classroom use only and not for resale.Printed in the United States of AmericaIf you have received these materials as examination copies free of charge, Holt, Rinehart andWinston retains title to the materials and they may not be resold. Resale of examination copiesis strictly prohibited and is illegal.Possession of this publication in print format does not entitle users to convert this publication,or any portion of it, into electronic format.ISBN 0-03-078464-61 2 3 4 517009 08 07 06

CONTENTSChapter esson1-11-21-31-41-51-61-71-81-9Variables and Expressions . . . . . . . . . . . . .Algebraic Expressions . . . . . . . . . . . . . . . . .Integers and Absolute Value . . . . . . . . . . . .Adding Integers . . . . . . . . . . . . . . . . . . . . . .Subtracting Integers . . . . . . . . . . . . . . . . . .Multiplying and Dividing Integers . . . . . . . . .Solving Equations by Adding or SubtractingSolving Equations by Multiplying or DividingIntroduction to Inequalities . . . . . . . . . . . . .123456789Chapter -12-22-32-42-52-62-72-8Rational Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Comparing and Ordering Rational Numbers . . . . . . . . . . . . . . . . . .Adding and Subtracting Rational Numbers . . . . . . . . . . . . . . . . . . .Multiplying Rational Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Dividing Rational Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Adding and Subtracting with Unlike Denominators . . . . . . . . . . . . . .Solving Equations with Rational Numbers . . . . . . . . . . . . . . . . . . . .Solving Two-Step Equations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1011121314151617Ordered Pairs . . . . . . . . . . . . . .Graphing on a Coordinate PlaneInterpreting Graphs and Table . .Functions . . . . . . . . . . . . . . . . .Equations, Tables, and Graphs .Arithmetic Sequences . . . . . . . .Chapter -53-6.181920212223Exponents . . . . . . . . . . . . . . . . . . . . . .Look for a Pattern in Integer ExponentsProperties of Exponents . . . . . . . . . . .Scientific Notation . . . . . . . . . . . . . . . .Squares and Square Roots . . . . . . . . .Estimate Square Roots . . . . . . . . . . . .The Real Numbers . . . . . . . . . . . . . . .The Pythagorean Theorem . . . . . . . . .2425262728293031Chapter -14-24-34-44-54-64-74-8Copyright by Holt, Rinehart and Winston.All rights reserved.iiiHolt Mathematics

CONTENTS, CONTINUEDChapter -15-25-35-45-55-65-75-8Ratios and Proportions . . . . . . . . .Ratios, Rates, and Unit Rates . . . .Dimensional Analysis . . . . . . . . . .Solving Proportions . . . . . . . . . . . .Similar Figures . . . . . . . . . . . . . . .Dilations . . . . . . . . . . . . . . . . . . . .Indirect Measurement . . . . . . . . . .Scale Drawings and Scale Models.3233343536373839Relating Decimals, Fractions, and Percents . . .Estimate with Percents . . . . . . . . . . . . . . . . . .Finding Percents . . . . . . . . . . . . . . . . . . . . . . .Finding a Number When the Percent is KnownPercent Increase and Decrease . . . . . . . . . . .Applications of Percents . . . . . . . . . . . . . . . . .Simple Interest . . . . . . . . . . . . . . . . . . . . . . . .40414243444546Points, Lines, Planes, and AnglesParallel and Perpendicular Lines .Angles in Triangles . . . . . . . . . . .Classifying Polygons . . . . . . . . . .Coordinate Geometry . . . . . . . . .Congruence . . . . . . . . . . . . . . . .Transformations . . . . . . . . . . . . .Symmetry . . . . . . . . . . . . . . . . . .Tessellations . . . . . . . . . . . . . . . .474849505152535455Chapter -36-46-56-66-7Chapter esson7-17-27-37-47-57-67-77-87-9.Chapter t by Holt, Rinehart and Winston.All rights reserved.Perimeter and Area of Rectangles and ParallelogramsPerimeter and Area of Triangles and Trapezoids . . . . .Circles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Drawing Three-Dimensional Figures . . . . . . . . . . . . . .Volume of Prisms and Cylinders . . . . . . . . . . . . . . . . .Volume of Pyramids and Cones . . . . . . . . . . . . . . . . .Surface Area of Prisms and Cylinders . . . . . . . . . . . . .Surface Area of Pyramids and Cones . . . . . . . . . . . . .Spheres . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Scaling Three-Dimensional Figures . . . . . . . . . . . . . . .iv.56575859606162636465Holt Mathematics

C3HomeworkFM.pe3/23/0611:49 AMPage vCONTENTS,CONTINUEDChapter -19-29-39-49-59-69-79-8Samples and Surveys . . . . . . . . . . . . . . . .Organizing Data . . . . . . . . . . . . . . . . . . . .Measures of Central Tendency . . . . . . . . .Variability . . . . . . . . . . . . . . . . . . . . . . . . .Displaying Data . . . . . . . . . . . . . . . . . . . . .Misleading Graphs and Statistics . . . . . . . .Scatter Plots . . . . . . . . . . . . . . . . . . . . . . .Choosing the Best Representation of Data.6667686970717273Probability . . . . . . . . . . . . . . . . . . . .Experimental Probability . . . . . . . . .Use a Simulation . . . . . . . . . . . . . . .Theoretical Probability . . . . . . . . . . .Independent and Dependent EventsMaking Decisions and Predictions . .Odds . . . . . . . . . . . . . . . . . . . . . . . .Counting Principles . . . . . . . . . . . . .Permutations and Combinations . . .747576777879808182Simplifying Algebraic Expressions . . . . . . . . . . . . . . . . . . . . . . . . . .Solving Multi-Step Equations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Solving Equations with Variables on Both Sides . . . . . . . . . . . . . . .Solving Inequalities by Multiplying or Dividing . . . . . . . . . . . . . . . . .Solving Two-Step Inequalities . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Systems of Equations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .838485868788Graphing Linear Equations . . . . . . . . .Slope of a Line . . . . . . . . . . . . . . . . . .Using Slopes and Intercepts . . . . . . . .Point-Slope Form . . . . . . . . . . . . . . . .Direct Variation . . . . . . . . . . . . . . . . . .Graphing Inequalities in Two VariablesLines of Best Fit . . . . . . . . . . . . . . . . .89909192939495Chapter Lesson10-110-210-310-410-510-610-710-810-9.Chapter 11-411-511-6Chapter -212-312-412-512-612-7Copyright by Holt, Rinehart and Winston.All rights reserved.v.Holt Mathematics

C3HomeworkFM.pe3/23/0611:49 AMPage viCONTENTS,CONTINUEDChapter -213-313-413-513-613-7Terms of Arithmetic Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96Terms of Geometric Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . 97Other Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98Linear Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99Exponential Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100Quadratic Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101Inverse Variation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102Chapter 14-414-514-6Copyright by Holt, Rinehart and Winston.All rights reserved.Polynomials . . . . . . . . . . . . . . . . . . .Simplifying Polynomials . . . . . . . . . . .Adding Polynomials . . . . . . . . . . . . . .Subtracting Polynomials . . . . . . . . . .Multiplying Polynomials by MonomialsMultiplying Binomials . . . . . . . . . . . . .vi.103104105106107108Holt Mathematics

C3Homework&Practice.pe3/23/0611:32 AMPage 1NameDateLESSONClassPractice1-1 Variables and ExpressionsEvaluate each expression for the given value of the variable.2. 18 a for a 131. 6x 2 for x 320513. 4 y for y 164. 9 2b for b 3435. 44 12n for n 36. 7.2 8k for k 2823.27. 20(b 15) for b 198. n(18 5) for n 48052Evaluate each expression for the given value of the variables.9. 2x y for x 7 and y 1110. 4j k for j 4 and k 1025611. 9a 6b for a 6 and b 212. 5s 5t for s 15 and t 124213513. 7(n m) for m 4 and n 1514. w(14 y) for w 8 and y 577721If q is the number of quarts of lemonade, then 4 q can be usedto find the number of cups of lemonade mix needed to makethe lemonade. How much mix is needed to make eachamount of lemonade?15. 2 quarts1 cup216. 8 quarts17. 12 quarts2 cus18. 18 quarts3 cs124 cups19. If m is the number of minutes a taxi ride lasts, then 2 0.35m canbe used to find the cost of a taxi ride with Bill’s Taxi Company.How much will it cost for a 12-min taxi ride?Copyright by Holt, Rinehart and Winston.All rights reserved.1 6.20Holt Mathematics

C3Homework&Practice.pe3/23/0611:32 AMPage 2NameLESSONDateClassPractice1-2 Algebraic ExpressionsWrite an algebraic expression for each word phrase.1. 6 less than twice x2. 1 more than the quotient of 21 and b21b1 2x 63. 3 times the sum of b and 54. 10 times the difference of d and 33105. the sum of 11 times s and 36. 7 minus the product of 2 and x11s 37 2xWrite a word phrase for each algebraic expression.Phrases may vary. Possible answers are shown.7. 2n 48. 3r 14 more than twice n1 less than thoduct of 3 and r210. 7 c 9. 10 6nthe difference of 10 and7 more than 26 times ndividedy12. 5 811. 15x 1212 less than thduct8 more than thotientof 15 and xof 5 an13. Maddie earns 8 per hour. Write analgebraic expression to evaluate howmuch money Maddie will earn if sheworks for 15, 20, 25, or 30 hours.n152025308n8(15)8(20)8(25)8(30)Earnings 120 160 200 24014. Write a word problem that can be evaluated by the algebraicexpression y 95, and evaluate it for y 125.Possible answer: Marco has savollars.He wants toskateboard that costs 95.How much moill Marco have left after he the skateboard? 30Copyright by Holt, Rinehart and Winston.All rights reserved.2Holt Mathematics

C3Homework&Practice.pe3/23/0611:32 AMPage 3NameDateClassPracticeLESSON1-3 Integers and Absolute ValueWrite the integers in order from least to greatest.1. 7, 3, 92. 6, 2, 5 9, 3, 73. 4, 1, 1 6, 5, 24. 8, 2, 11 4, 1, 15. 12, 15, 0 11, 8, 26. 24, 17, 30 15, 12, 07. 16, 14, 7 24, 17, 308. 9, 7, 16 14, 7, 169. 19, 23, 10 16, 9, 7 23, 19, 10Find the additive inverse of each integer.10. 812. 1411. 68 613. 29 2914Evaluate each expression.14. 8 4 1217. 29 16 1320. 15 10 2515. 12 12 16. 19 8 242718. 35 9 19. 14 14 24021. 9 30 22. 24 8 393223. Natalie keeps track of her bowling scores. The scores for thegames she played this Saturday relative to her best score lastSaturday are Game A, 6; Game B, -3; Game C, 8; and Game D, 5. Use , , or to compare her first two games. Then listher games in order from the lowest score to the highest.6 3; Game D, Game B, Game A, Game CCopyright by Holt, Rinehart and Winston.All rights reserved.3Holt Mathematics

C3Homework&Practice.pe3/23/0611:32 AMPage 4NameLESSONDateClassPractice1-4 Adding IntegersUse a number line to find each sum.1. 3 14 6 5 4 3 2 101 23 45 6 6 5 4 3 2 101 23 45 62. 3 2 1Add.3. 5 184. 10 17135. 22 ( 9)6. 24 ( 15) 3179Evaluate each expression for the given value of the variable.7. r 7 for r 31010. 6 t for t 8 1413. 5 d for d 2 716. 8 b for b 1358. m 5 for m 99. x 9 for x 4141311. 7 y for y 412. x 9 for x 8 1114. x ( 4) for x 4115. k ( 3) for k 5 8 817. 10 d for d 218. t ( 3) for t 3 12019. Joleen has 2560 trading cards in her collection. She buys 165new cards for the collection. How many trading cards does shehave now?2725 tradirds20. The running back for the Bears carries the ball twice in the firstquarter. The first run he gained fifteen yards and the second runhe lost eight yards. How many yards did the two runs total?7 yardsCopyright by Holt, Rinehart and Winston.All rights reserved.4Holt Mathematics

C3Homework&Practice.pe3/23/0611:32 AMPage 5NameLESSONDateClassPractice1-5 Subtracting IntegersSubtract.1. 8 22. 10 563. 7 12 555. 3 106. 16 9 79. 33 5767. 4 98. 8 10 13710. 16 49 244. 16 10 1811. 114 19 3312. 88 ( 10) 133 78Evaluate each expression for the given value of the variable.13. x 8 for x 10216. 12 t for t 82019. 15 x for x 10 522. y ( 10) for y 10014. w 10 for w 1515. 15 w for w 85717. 15 x for x 1218. w 20 for w 15 352720. 9 x for x 2021. 11 d for d 1511423. x ( 15) for x 524. a ( 12) for a 10102225. The altitude of Mt. Blackburn in Alaska is 16,390 feet. Thealtitude of Mt. Elbert in Colorado is 14,433 feet. What is thedifference in the altitudes of the two mountains?1957 feet26. In January, Jesse weighed 230 pounds. By November, heweighed 185 pounds. How much did Jesse’s weight change? 45 poundsCopyright by Holt, Rinehart and Winston.All rights reserved.5Holt Mathematics

NameLESSONDateClassPractice1-6 Multiplying and Dividing IntegersMultiply or divide.1. 6 7 152. 5 3. 7 320 4. 4 36 5. 46. 8( 9) 48 7. 68. 7( 7)10. ( 6)( 9) 3611. 4 42 12. 714. ( 4)(8) 54 15. 9 7216. 8 17. 5(3 7)18. 10(8 2)19. 4(12 3)20. 9(15 8)21. 12( 9 4)22. 11(7 13)23. 15( 12 8)24. 10( 8 6)25. 6( 12 1)26. 5(3 12)27. 8( 5 5)28. 7(12 3)29. 10( 7 1)30. 12(2 5)31. 15( 2 1)32. 9(8 20)9. 5( 8)13. 9( 3)Simplify.33. Kristin and her three friends buy a pizza with twelve slices andsplit it equally. How many slices will each person receive?34. The temperature was 1 F, 5 F, 8 F, and 6 F on fourconsecutive days. What was the average temperature forthose days?Copyright by Holt, Rinehart and Winston.All rights reserved.6Holt Mathematics

C3Homework&Practice.pe3/23/0611:32 AMPage 7NameDateClassPracticeLESSON1-7 Solving Equations by Adding or SubtractingDetermine which value is a solution of the equation.1. x 6 12; x 6, 8, or 182. 9 x 17; x 6, 8, or 26x 18x 83. x 12 26; x 14, 38, or 404. x 18 59; x 37, 41, or 77x 38x 41Solve.5. n 8 11n 198. 6 j 12 611. a 35 51a 1614. 7.5 c 10.6c 3.16. 9 g 137. y 6 2 49. s 8 11 410. 16 r 2s 312. m 6 13r 1413. d 12 5m 715. y 1.7 0.6 2.3d 716. m 2.25 4.50m 6.7517. Two sisters, Jenny and Penny, play on the same basketballteam. Last season they scored a combined total of 458 points.Jenny scored 192 of the points. Write and solve an equationto find the number of points Penny scored.192 26618. After his payment, Mr. Weber’s credit card balance was 245.76. His payment was for 75.00. Write and solvean equation to find the amount of his credit card bill.x 75.00 245.76; x 320.76Copyright by Holt, Rinehart and Winston.All rights reserved.7Holt Mathematics

C3Homework&Practice.pe3/23/0611:32 AMPage 8NameDateLESSONClassPractice1-8 Solving Equations by Multiplying or DividingSolve and check.1. 4w 48w 12x4. 4 9x 367. 5a 75a 15k 1510. 21k 31513. 672 24b2. 8y 563. 4b 64 7v 5. 6 14n6. 2 31v 848. 54 3qn 639. 23b 161 18w 11. 17 17b 7r 12. 11 34w 289u14. 2 135r 37415. 42m 966b 28u 32516. 3x 7 16t17. 5 8 10x 3b 16m 2318. 5 2n 3t 10n 4119. Alex scored 13 points in the basketball game. This was 5 of thetotal points the team scored. Write and solve an equation todetermine the total points t the team scored.t 13; t 65520. Jar candles at the Candle Co. cost 4. Nikki spent 92 buying jarcandles for party favors. Write and solve an equation to determinehow many jar candles c Nikki bought at the Candle Co.4c 92; c 23Copyright by Holt, Rinehart and Winston.All rights reserved.8Holt Mathematics

NameLESSONDateClassPractice1-9 Introduction to InequalitiesCompare each inequality. Write or .1. 7 104. 58167(8)7. 7 ( 7) 172. 214(5)3. 25 7195. 4(8) 306. 3 8 28. 9( 7) 709. 43 ( 18) 23Solve and graph each inequality.10. x 4 911. c 6 112. y 3 813. 3 v 514. 7 x 1015. s 4 1016. b 2 517. 7 n 218. r 6 119. 9 w 1520. 14 k 2521. a 8 1222. k 3 023. n 6 224. –1 b 1Copyright by Holt, Rinehart and Winston.All rights reserved.9Holt Mathematics

C3Homework&Practice.pe3/23/0611:32 AMPage 10NameLESSONDateClassPractice2-1 Rational NumbersSimplify.61. 9 2 348 2. 9613 3. 521 2415 5. 403 8 6. 4871 414 7. 631 1 224. 2 81 4 12 8. 72 9 1 6Write each decimal as a fraction in simplest form.9. 0.7211. 1.6510. 0.05829 50018 2514. 4.0613. 0.0369 25017. 0.6015. 2.305318. 6.953113 1 20 2 1 016. 0.006461 4 50 4 625 2 20019. 0.01620. 0.00052 12519 5 12. 2.16 2 01 2000Write each fraction as a decimal.121. 8 822. 3 2.666 0.12511 25. 1614 23. 15726. 9 0.933 427. 5 0.777 0.68751624. 5 3.231 28. 250.81.2429. Make up a fraction that cannot be simplified that has 24 as it

Holt Mathematics Course 3 Homework and Practice Workbook C3HomeworkFM.pe 3/23/06 11:49 AM Page i. Copyright by Holt, Rinehart and Winston All rights reserved. No .

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