MonroeTownshipHighSchool MonroeTownship,NewJersey DynamicsofALGEBRAI–ResourceCenter SUMMERPREPARATIONPACKET DynamicsofAlgebraIwillprovideyouwiththefundamentaltoolsofalgebraic understandingthatwillsupportyouinallfutureadvancedmathematicscourses.The AlgebraIResourceCenterpreparationpacketcontainsreviewmaterialoftheconcepts, skills,andproceduresthatshouldbemasteredBEFOREenteringDynamicsofAlgebraIin thefall. Additionalonlineresourcesareavailableat: -http://www.khanacademy.org/ -http://www.wolframalpha.com/examples/Math.html -http://tinyurl.com/youtube-mthsAlgebra1 Thispracticeproblempacketistheonlyformalreviewoftheconcepts,procedures,and skillsthatyouwillhavebeforebeginningyourAlgebraIcourse.Yourteacherwillexpect youtohavemasteredalltopicsincludedhere. Thiscollectionofproblemswillidentifythoseconceptsthatyouhavemasteredaswellas thoseyouwillneedtopracticeandreview.Youareexpectedtoseekextrahelp immediatelyonthoseconceptswithwhichyouhavenotdemonstratedproficiency. Beresourceful–usetheonlineresourcesprovidedonthewebpage!Problemshereare veryrepresentativeofthetypesofitemsyouwillneedtohavemasteredbeforeDynamics ofAlgebraIsowestronglyencouragethatyouincludeitinyoursummerfestivities! Evaluateeachexpression. 1) 10 − (x) 2 + y whenx=1andy=4 ANSWER:__________ 2) (a - b)4 when a = 4 and b = 2 ANSWER:__________ 3)Theperimeterofthefigurebelowisequalto150cm. Solveforx. x 58 62 11 For#4–5,writetheverbalphraseasanexpressionorequation.Use“x”forthe variable. 4)“Twelvemorethantheproductofeightandanumber.” 5)“Thequotientoffourandanumber.” 1 3 6)Writethenumbersinincreasingorder: 9,− ,−5,−8.5, ,−1 2 2 7)Forc–7< 3,checkc=5 SOLUTION?(YesorNo):__________ 8)Makeaninput-outputtableforthefunction.Use-2,-1,0,1,2astheinput y = 2x − 4 INPUT OUTPUT -2 -1 0 1 2 Simplifyeachexpression. 9)9–(25÷ 5) 10)–4-8 11)30 − 40 ÷ 2 Solveeachequation. ANSWER:____________________ ANSWER:___________________ ANSWER:____________________ 12)2x=12 13)x+5=13 16)2x-2=10 ANSWER:___________________ ANSWER:__________________ ANSWER:___________________ 17.)Plotandlabelthefollowingpoints: A(5,2)B(2,6)C(3,-3)D(-7,4)E(-5,0)F(0,-6) 18)Youareshoppingforamountainbike.Astoresellstwodifferentmodels.Themodel thathassteelwheelrimscosts$220.Themodelwithaluminumwheelrimscost$480.You haveasummerjobfor12weeks.Yousave$20perweek,whichwouldallowyoutobuythe modelwiththesteelwheelrims.Youwanttoknowhowmuchmoremoneyyouwould havetosaveeachweektobeabletobuythemodelwiththealuminumwheelrims. a)Writeanalgebraicmodelforhowmuchmoremoneyyouwouldhavetosaveeachweek. b)Solveyourmodelalgebraicallyfrompart(a). c)Explainwhatyoursolutionrepresents.