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1 Pearson Eucation, Inc., publising as Pearson Prentice Hall. All rigts reserve. Capter Answers Practice - " ab " " " " "b. "7 7. ". " 9. " 0.. ". " 7 " "a. 0".. "0. "0 7. a ". " 9. "0 0. ". ".. s"s. ". ". "0 7. " ". n"n 9. " 0.. mn"m. " " " 7. ". " "7 "7 9. " ". " ".. " 7. 0". 7a"a 9. " 0. 7" " "7... ". " 7. ". " 7. ". " " " ". b"ab. a b "a. " " " 7. a "a 7. " 7. " " 7. " 0" " " "0. Practice -. "7.. " ". ". 9". " 7. "7. -" 9. " 0. -". ". ". ". " 0". ". 7" 9" 7. - ". " 9. " 0. ". "0 ". ". ". ". 7"7. -" 7. "0. -9" "9 0. ". ". ". 9". "9.. - " 7. " ". "7 " " Q" R 9. or 0. " " 7"7.. + ". Q" R 9".. + " 7 ; in "; ft "; ft " 0 Practice , 7 7.., 9., 0. no solution no solution no solution. no solution.. a. 0 ft b. s a. C b. -7 C a. m b. N Practice Algebra Capter Answers

2 Capter Answers (continue) sift own 9 0. sift own. sift left 0. sift rigt 9. sift left. sift rigt. sift up. sift left 7. sift rigt an sift own 7 a. n b. 7 people c. mo 9a. 0 t b. 7.9 s 9c. 00 ft Practice ft Practice -.. ft. 0. ft. ft. ft. 7. ft..9º 7.. ft Reteacing - ". ". 0. ". ". ". " " " " 7. " Reteacing - t 0. ". 0". ". ". 7". " " " 0. 7 ". "0. " Reteacing no solution Pearson Eucation, Inc., publising as Pearson Prentice Hall. All rigts reserve. Answers Algebra Capter

3 Capter Answers (continue) Reteacing -.. Reteacing Reteacing -.. m º 0 Pearson Eucation, Inc., publising as Pearson Prentice Hall. All rigts reserve s 0º Enricment -.,,,, ,000.,. 0,7. 0, 7. 0,000. = 9. 9 = 0. =. 0 = 7. = 9. 0,000 an 00,000,000. Te power of 0 an te number of zeros must be a multiple of.. 0 =,000,000,000,000 Enricment -. cip, bite, an nugget. $. $.90. ime. zips, bites, nuggets, an cip Enricment cm.. cm. full swings. Te perio will increase to.9 s.. Te perio will ecrease to s.. full swings 7. It is 9.0 cm, times te lengt of te clock in Eercise. Enricment -. Ceck stuents work.. Ceck stuents work. Enricment tangent. cosine 9. sine 0. c. a.. e. f. b Enricment ft. 90 ft. 9 ft Algebra Capter Answers

4 Capter Answers (continue) Capter Project Activit : Writing 0 ft; multipl ft b mi ; 0 ft 0 mi 0 r Distance (mi) 0 Visible Distance on Saturn to Horizon 0 ; Ceck stuents work. our eigt (ft) r raius of te planet (mi) istance ou can see (mi) r a ; Ä 0 r 0 rb 0 Activit : Calculating A reasonable eigt woul be less tan 7 ft. Since 0 < 0 for small values of, r. Ä 0 r 0 < Ä 0 Activit : Researcing Mercur: mi, Venus: 70 mi, Eart: 90 mi, Mars: 0 mi, Jupiter:, mi, Saturn:, mi, Uranus:,79 mi, Neptune:,0 mi, Pluto: 7 mi (All are mean raii as given in Te Worl Almanac an Book of Facts, 00.) Activit : Communicating Ceck stuents work; 0 r, about.7 ft, about. ft. n Eart, no one is tall enoug to see suc a istance from sea level. n Saturn, a person about. feet tall coul see suc a istance. Activit : Graping Answers ma var. Sample: Eart:, Saturn: Ä Ä 0 Visible Distance on ; Eart to Horizon b Distance (mi) 0 0 Heigt (ft) 0 0 Heigt (ft) Ceckpoint Quiz. Í. Í. tí. Í 0. Í 7Í Í a. Í 9. Q Í Í R 0.. no solution Ceckpoint Quiz ft 0. Te grap woul be sifte two units to te rigt an five units up. Capter Test, Form A. Í. ní. a. 0 Í. Í Í b Í 7 Í Í b m&e =, ED =, FD = 7. m&d = 7, EF =, DF =,. Í 0 " Í0 Í "0. ". 7". "7. Q" R. - 7" Pearson Eucation, Inc., publising as Pearson Prentice Hall. All rigts reserve. Answers Algebra Capter

5 Capter Answers (continue) " a Í 0. Answers ma var. Sample: " " " no solution ft. Te grap woul be sifte up eigt units. 9. $ 0; 7. Pearson Eucation, Inc., publising as Pearson Prentice Hall. All rigts reserve. 0. $ 0;. $ ;. $ -;. r "Vp p. ft ft 0.., 0. Capter Test, Form B. "0. "7. 0". 0".. 9 " 7. ". 9. " 0. " ". " " 0. ". ". " "7 " ft Alternative Assessment, Form C TASK Scoring Guie: a. "? "; " "; " "; " " b. Answers ma var. Sample: Simplif eac raical term, ten combine like terms. c. ; "; "; Stuent s epressions are written correctl. Steps for simplifing are correct an make sense. All epressions are simplifie correctl. Stuent s epressions are written correctl. Steps are mostl correct. Most epressions are solve correctl. Stuent s steps coul ave more etail. Some epressions are solve correctl; minor an major errors are present. 0 Stuent makes no attempt, or no response is given. Algebra Capter Answers 7

6 Capter Answers (continue) TASK Scoring Guie: Stuent writes functions tat accuratel meet te conitions. Graps are rawn correctl, an appropriate scales an labels are cosen. Stuent writes functions tat meet te conitions ecept for minor errors. Graps are correct ecept for minor problems wit scale or labels. Stuent writes one or more functions tat o not meet te state conitions. Graps are incorrect. 0 Stuent makes no attempt, or no response is given. TASK Scoring Guie: Stuent writes statements tat full eplain te similarities an ifferences for all tree ratios. Stuent also writes problems tat emonstrate ow to appl trigonometric ratios. All problems are solve correctl. Stuent writes statements tat are clear an useful but migt not contain enoug etail. Problems sow unerstaning an are mostl solve correctl. Stuent writes statements tat are aequate but are inconsistent or incomplete or lack organization an tougt. Problems contain errors. 0 Stuent makes no attempt, or no solution is present. TASK Scoring Guie: All calculations are correct. Diagram correctl matces problem. Work clearl emonstrates stuent s master of matematical principles involve. Calculations are mostl correct. Diagram is complete but ma contain errors. Most concepts are unerstoo. Calculations contain errors. Diagram is incomplete. Some concepts are unerstoo. 0 Stuent makes no attempt, or no solution is present. Capters Cumulative Review. B. J. A. J. B. F 7. C. H 9. A 0. H. A. J =. c (9 + )( + ). ( + - ) Pearson Eucation, Inc., publising as Pearson Prentice Hall. All rigts reserve. Answers Algebra Capter

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