MonroeTownshipHighSchool MonroeTownship,NewJersey Dynamics of Geometry *SUMMERPREPARATIONPACKET* Geometryisafast-paced,rigorouscoursethatwillprovideyouwiththefundamentaltoolsofgeometric understandingthatwillsupportyouinallfutureadvancedmathematicscourses.Sinceyouwillbetaking geometryaftersuccessfulcompletionofAlgebraI,theDynamicsofGeometryPreparationPacketcontains reviewmaterialofthealgebraicconcepts,skills,andproceduresthatshouldbemasteredBEFOREentering Geometryinthefall. Essentially,thispacketprovidesareviewofthemajoralgebratopicsaswellasapreviewofgeometrictopics. ThesectionsarebasedontheAchieveADPAlgebraIEnd-of-CourseExamContentStandardsandtheCommon CoreStateStandards(CCSS). Onlineresourcesareavailableat: • http://www.khanacademy.org/ • http://tinyurl.com/youtube-mthsGeometry • http://www.wolframalpha.com/examples/ Math.html Thispracticeproblempacketistheonlyformalreviewoftheconcepts,procedures,andskillsthatyouwill havebeforebeginningyourgeometrycourse.Yourteacherwillexpectyoutohavemasteredalltopics includedhere. Thiscollectionofproblemswillidentifythoseconceptsthatyouhavemasteredaswellasthoseyouwillneed topracticeandreview.Youareexpectedtoseekextrahelpimmediatelyonthoseconceptswithwhichyou havenotdemonstratedproficiency.Beresourceful–usetheonlineresourcesprovidedonthewebpage! Youareexpectedtoseekextrahelpimmediatelyonthoseconceptswithwhichyouhavenotdemonstrated proficiency.Beresourceful–usetheonlineresources! ProblemshereareveryrepresentativeofthetypesofitemsyouwillneedtohavemasteredBEFORE geometry…sowestronglyencouragethatyouincludeitinyoursummerfestivities!Goodluckandenjoy!J Page1 **SHOWALLWORK** Solveeachequationgivenin#1-5.Writeyouranswerintheblankprovided.Leaveanswerasanimproper fraction. 1. 3x − 4 = 17 2. −5(2x − 8) = 80 ANSWER:_________ ANSWER:_________ ANSWER:_________ 3. 1 ( 4x − 16) = 84 2 4. 7x − 2 = 3x + 14 ANSWER:_________ 5. 6x − 2 + 4x + 14 = 180 ANSWER:_________ Page2 Determinetheareaandperimeterofeachfiguredescribedin#6-7.Donotforgetyourunits. Area=(length)x(width) Perimeter=SumoftheSides 6.RECTANGLEwithlength 3.6 cmandwidth 4.2 cm AREA:_________ PERIMETER:_________ 7.SQUAREwithsidesoflength9mm AREA:_________ PERIMETER:_________ Usingthegiveninformation,determineareaandcircumferencefor#8-9.Leaveyouranswerintermsofš¯¯…. A = π r 2 C = 2π r 8.Areaandcircumferenceofacirclewithradius9inches. AREA:__________________ CIRCUMFERENCE:_________ 9.Areaandcircumferenceofacirclewithdiameter12centimeters. AREA:___________________ CIRCUMFERENCE:_________ Page3 UsethePythagoreanTheoremtodeterminethemissingsideinquestions10-12.Leaveinradicalform. a 2 + b 2 = c 2 10. x 15 x=_____________ 20 11. 21 x 13 x=______________ x=______________ 12. 5 10 9 x 13.Findtheslopeofthelinecontaining(-2,-8)and(-1,0). SLOPE:___________________ 14.Findtheslopeofthelineperpendiculartothelinecontaining(-3,2)and(4,-1). SLOPE:___________________ Page4 15.Thecomplementofa 60° angleis________________. 16.Thesupplementofa 100° angleis________________. 17.Findxandthemeasureofthemissingangle. 40° 20° 3x° x=______________ Angle=__________ 18.Statethedifferencebetweenalineandalinesegment.Youmaywritesentencesordrawdiagrams. Predictthenextnumberinthesequencegivenin#19-20. 19.-5,-2,4,13,___________ 20. 48, 16, 16 16 , , ___________ 3 9 Page5 21.Everyday,Michaelgoesforarunthroughthepark.Theparkisshapedlikeasquare.Hefollowsthepath shownbythepoints.AbouthowfardoesMichaelrun? -------------200m------------ 22.Juliawantstopainttworectangularwallsofherbedroom.Onebedroomwallis15feetlongand8feet high.Theotherwallis12feetlongand8feethigh.Shewantstoputtwocoatsofpaintonthewalls.She knows1gallonofpaintwillcoverabout350squarefeetofawall.Willonegallonofpaintbeenough?Showall ofyourworkandexplainyouranswerbelow. Page6 23.TriangleABCisshowninthecoordinate-plane.Thetrianglewillberotated180degreesclockwisearound thepoint(0,0)tocreatetriangleA’B’C’.DrawthenewtriangleA’B’C’onthecoordinateplane. 24.TriangleABCisshowinthexy-plane.Thetrianglewillbereflectedoverthey-axis.Drawthenewtriangle A’B’C’onthecoordinateplane. Page7 25.Usingthediagrambelow,describethetransformationthatoccursfromtriangleABCtotriangleA’B’C’by answeringthequestionsbelow. a) Whatkindoftransformationoccurred? b) Howdoyouknow? c) Writearuleusingarrownotationdepicting thetransformation. 26.Simplifythefollowingradicals.Leaveyouranswerinsimplestradicalform. a) 72 b) 40 c) 288 d) 800 Page8