基础数学智慧树知到期末考试答案章节答案2024年太原理工大学

基础数学智慧树知到期末考试答案+章节答案2024年太原理工大学

答案:

答案:Whichstatementinthefollowingisnottrue?（）

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答案:20undifferentiatedballsareplacedintothreeboxesnumbered1,2and3,andthenumberofballsineachboxisnotlessthanthenumberofthebox,thenthenumberofplacementmethodsis______.（）

答案:120

答案:5

答案:0Rewritethelogarithmasaratioofcommonlogarithmsornaturallogarithms.Whichstatementinthefollowingistrue?（）

答案:

答案:intersect

答案:sin

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答案:Choose5ballsfromthe11ballswithnumbers1,2,3,…,11.Ifthesumofthenumbersofthe5ballsisodd,thenthetotalnumberofballstakenis_____.（）

答案:236Therangeofy=sinx-|sinx|is_____.（）

答案:Iftheimageofy=a|x|intersectswithastraightliney=x+a(a>0)attwodifferentpoints,thentherangeofvaluesforais（）

答案:a＞1Inthefollowing,whichoneisevenfunction?（）

答案:y=sin|x|

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答案:Ifαisinthethirdquadrant,thenthequadrantofα/2is_____.（）

答案:2or4

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答案:16

答案:Theproductoftwooddfunctionsisanoddfunction.

答案:-1+i

答案:2ThedistancefrompointPtopointA'(1,0)andthelinex=-1isequal,andthedistancefrompointPtotheliney=xisequalto,sothatpointsPhas（）

答案:three

答案:15Iftheimageofthequadraticfunctiony=mx2-3x+2m-m2passesthroughtheorigin,thenthevalueofmis（）.

答案:0or2

答案:

答案:y=|sinx|

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答案:Givenaquadraticfunctiony=x2-4x-5，ify>0,then（）.

答案:x>5orx＜-1

答案:4Theintersectionpointoftheparabolay=2x2-5x+3andthecoordinateaxisis（）

答案:two

答案:63

答案:

答案:Supposethesequence.w69396823434s.brush0{fill:rgb(255,255,255);}.w69396823434s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w69396823434s.font0{font-size:473px;font-family:Symbol,serif;}.w69396823434s.font1{font-style:italic;font-size:262px;font-family:"TimesNewRoman",serif;}.w69396823434s.font2{font-style:italic;font-size:406px;font-family:"TimesNewRoman",serif;}.w69396823434s.font3{font-weight:bold;font-size:76px;font-family:System,sans-serif;}{}nasuchthat.w69396823420s.brush0{fill:rgb(255,255,255);}.w69396823420s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w69396823420s.font0{font-size:406px;font-family:"TimesNewRoman",serif;}.w69396823420s.font1{font-size:262px;font-family:"TimesNewRoman",serif;}.w69396823420s.font2{font-size:373px;font-family:Symbol,serif;}.w69396823420s.font3{font-size:242px;font-family:Symbol,serif;}.w69396823420s.font4{font-style:italic;font-size:262px;font-family:"TimesNewRoman",serif;}.w69396823420s.font5{font-style:italic;font-size:406px;font-family:"TimesNewRoman",serif;}.w69396823420s.font6{font-weight:bold;font-size:76px;font-family:System,sans-serif;}2lg1+=+nnaa,and.w69396823406s.brush0{fill:rgb(255,255,255);}.w69396823406s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w69396823406s.font0{font-size:406px;font-family:"TimesNewRoman",serif;}.w69396823406s.font1{font-size:262px;font-family:"TimesNewRoman",serif;}.w69396823406s.font2{font-size:373px;font-family:Symbol,serif;}.w69396823406s.font3{font-style:italic;font-size:406px;font-family:"TimesNewRoman",serif;}.w69396823406s.font4{font-weight:bold;font-size:76px;font-family:System,sans-serif;}11=a,sothegeneraltermformulaof.w69396823744s.brush0{fill:rgb(255,255,255);}.w69396823744s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w69396823744s.font0{font-size:473px;font-family:Symbol,serif;}.w69396823744s.font1{font-style:italic;font-size:262px;font-family:"TimesNewRoman",serif;}.w69396823744s.font2{font-style:italic;font-size:406px;font-family:"TimesNewRoman",serif;}.w69396823744s.font3{font-weight:bold;font-size:76px;font-family:System,sans-serif;}{}nais（）.

答案:.w69396823740s.brush0{fill:rgb(255,255,255);}.w69396823740s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w69396823740s.font0{font-size:473px;font-family:Symbol,serif;}.w69396823740s.font1{font-size:406px;font-family:"TimesNewRoman",serif;}.w69396823740s.font2{font-size:373px;font-family:Symbol,serif;}.w69396823740s.font3{font-style:italic;font-size:406px;font-family:"TimesNewRoman",serif;}.w69396823740s.font4{font-style:italic;font-size:262px;font-family:"TimesNewRoman",serif;}.w69396823740s.font5{font-weight:bold;font-size:76px;font-family:System,sans-serif;}()2lg11-+=nan

答案:4Thereisanangleαsuchthatsinα=cotα=0.（）

答案:错tan1答案:错

答案:对

答案:错

答案:对

答案:错

答案:错

答案:对

答案:对ThesetAhas31non-emptysubsets.WecaninferthatAhas5elements.（）

答案:对

答案:对Ifαisthefirstquadrantangle,thensinα+cosα<1.（）

答案:错Thereisanangleαsuchthattanα=0andcosα=-1.（）

答案:对

答案:错

答案:对

答案:

答案:

答案:(5,3)

答案:Writetheequationofacirclewhosecenterisat(3,-2)andhasaradiusof11.（）

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答案:

答案:

答案:They-interceptis(0,3)andthex-interceptsare(1,0)and(3,0).Thevertexis(2,–1)

答案:Thex-interceptsare(1,0)and(3,0).Thevertexis(2,–1)

答案:Writeanequationforthelinepassingthrougheachofpoints

(0,6),(-4,8).

答案:

答案:2

答案:(2,5)

答案:Determinetheequationofthelinethatjoinsthepointswithcoordinates(4,8)and(10,11).（）

答案:Writeanequationforthelinepassingthrougheachofpoints(3,10),(4,7).（）

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答案:Writeanequationforthelinepassingthrougheachofpoints(-1,-7),(5,23).（）

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答案:

答案:15

答案:4

答案:

答案:对

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答案:5

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答案:3

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答案:10

答案:错

答案:对Usingonly1,2,and3toformafourdigitnumber,itisstipulatedthatthesethreenumbersmustbeusedsimultaneouslyandthesamenumbercannotappearadjacent.Thereare18suchfourdigits.（）

答案:对Ifthespellingorderoftheword'hello'isincorrect,theremaybe60typesofwritingerrors.（）

答案:错5studentssignuptoparticipateintwoextracurricularactivitygroups,andeachstudentislimitedjoinonegroup.Thereare32differentwaystosignup.（）

答案:对

答案:210AandBwillchoose2subjectsfrom4subjectsandAandBaredifferentinatleastonesubject.HowmanydifferentwaystochoosesubjectsforAandB?（）

答案:30Choose3outof5malesand4femalestoformasmallteamcontainingbothmalesandfemales.Howmanydifferentteamscanyoubuild?（）

答案:70Thereare6studentsstandinginarowwith3boysand3girls.Iftheboysdonotstandattwoendpointsandonlytwogirlsareadjacentamongthe3girls,howmanydifferentarrangementsarethere?（）

答案:288

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答案:0

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答案:

答案:错

答案:对

答案:16

答案:17

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答案:1Inthefollowingnumbers,threenumbersinwhichgroupisanarithmeticprogression?（）

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答案:错Thefirstfourtermsofasequencearegiven:-4,7,-10,13,....Thegeneraltermformulaofthesequenceis（）

答案:

答案:对

答案:错

答案:对

答案:对

答案:对Giventwoacuteanglesαandβ,ifcosα=3/5,tan(α-β)=-1/3,thenthevalueoft