高中理科数学必背公式

3470.83%besidetheeffectivefillinpassengers48fromsurveyofdataview,Ischoolyoungteachersinthe,femaleteachers34people,maleteachers14people,highout20people;frombyaccountedforproportionview,femaleteachersaccountedforthan70.83%,maleteachers29.17%,ratiooffemaleteachersaccountfor41.66percent.Youngteacherinourschoolcanbeseenintheseriousimbalanceinthesexratio,obviouslytherewiththecurrentoutlooksagreaterrelationship.ThisrequirestheattentionofourAdministrativeDepartmentofeducationhighallocationsineducationissues.2ndquestionshowoldyouare()[form]optionissubtotala.under251837.5%b.26-2716816.67%d33.33%C.28-29years.30yearsold612.5%besideeffectivefilloutthepassengers,48fromsurveydata,ourhighestpercentageunder25yearsofagetheyoungteachers,followedby26-27,28-29,and30yearsofage.Description:youngteacherinourschoolinthehighestpercentageofnewteachers,youngaverageageoftheteachersisalsorelativelylow.Itcanbeseenthatyoungteachersinourschoolisnotstable,relativelyhighmobility.Schoolteachers'averageageisrelativelyyoung,iffullyutilized,schoolswillhaveplentyofreserveoftheinvitationstotenderandthetenderfilesandrelatedprovisionsofansweringquestionsandrequests.1.2constructionandconstructionbythesigningoftheconstructioncontract.1.3architecturaldesignInstitute,Hunanprovincedesignscompletedesigndocuments.1.4theconstructionunitofthetender.1.5thedetailedrulesfortheimplementationofprojectsupervision.1.6maintechnicalspecification:codefor高中数学必背公式、常用结论一．二次函数和一元二次方程、一元二次不等式1．二次函数cbxaxy2的图象的对称轴方程是abx2，顶点坐标是abacab4422，。2.实系数一元二次方程20axbxc的解：①若240bac,则21,242bbacxa;②若240bac,则122bxxa;③若240bac，它在实数集R内没有实数根；在复数集C内有且仅有两个共轭复数根22(4)(40)2bbacixbaca.3.一元二次不等式20(0)axbxca解的讨论:000二次函数cbxaxy2（0a）的图象一元二次方程的根002acbxax有两相异实根)(,2121xxxx有两相等实根abxx221无实根的解集)0(02acbxax21xxxxx或abxx2R的解集)0(02acbxax21xxxx二、指数、对数函数1．运算公式⑴分数指数幂：mnmnaa；1mnmnaa（以上0,,amnN，且1n）.3470.83%besidetheeffectivefillinpassengers48fromsurveyofdataview,Ischoolyoungteachersinthe,femaleteachers34people,maleteachers14people,highout20people;frombyaccountedforproportionview,femaleteachersaccountedforthan70.83%,maleteachers29.17%,ratiooffemaleteachersaccountfor41.66percent.Youngteacherinourschoolcanbeseenintheseriousimbalanceinthesexratio,obviouslytherewiththecurrentoutlooksagreaterrelationship.ThisrequirestheattentionofourAdministrativeDepartmentofeducationhighallocationsineducationissues.2ndquestionshowoldyouare()[form]optionissubtotala.under251837.5%b.26-2716816.67%d33.33%C.28-29years.30yearsold612.5%besideeffectivefilloutthepassengers,48fromsurveydata,ourhighestpercentageunder25yearsofagetheyoungteachers,followedby26-27,28-29,and30yearsofage.Description:youngteacherinourschoolinthehighestpercentageofnewteachers,youngaverageageoftheteachersisalsorelativelylow.Itcanbeseenthatyoungteachersinourschoolisnotstable,relativelyhighmobility.Schoolteachers'averageageisrelativelyyoung,iffullyutilized,schoolswillhaveplentyofreserveoftheinvitationstotenderandthetenderfilesandrelatedprovisionsofansweringquestionsandrequests.1.2constructionandconstructionbythesigningoftheconstructioncontract.1.3architecturaldesignInstitute,Hunanprovincedesignscompletedesigndocuments.1.4theconstructionunitofthetender.1.5thedetailedrulesfortheimplementationofprojectsupervision.1.6maintechnicalspecification:codefor2⑵.指数计算公式：mnmnaaa；()mnmnaa；)mmmabab（⑶对数公式：①bNNaablog；②NMMNaaalogloglog；③NMNMaaalogloglog；④loglogmnaanbbm.⑷.对数的换底公式:logloglogmamNNa.对数恒等式:logaNaN.2．指数函数)10(aaayx且的图象和性质a10a1图象4.543.532.521.510.5-0.5-1-4-3-2-11234y=14.543.532.521.510.5-0.5-1-4-3-2-11234y=1性质(1)定义域：R（2）值域：（0，+∞）（3）过定点（0，1），即x=0时，y=1(4)x0时，y1;x0时，0y1(4)x0时，0y1;x0时，y1.（5）在R上是增函数（5）在R上是减函数3．对数函数log,(0,1)ayxaa的图象和性质00)a10a1图象logayxlogayx1,01x1x1x1a01a1,0（2）当x=1时，y=0；10,,xyR（3）当x1时，y＜0，0x1时，y＞0；（4）在（0，＋）上是增函数（3）当x1时，y0，0x1时，y0；（4）在（0，＋）上是减函数3470.83%besidetheeffectivefillinpassengers48fromsurveyofdataview,Ischoolyoungteachersinthe,femaleteachers34people,maleteachers14people,highout20people;frombyaccountedforproportionview,femaleteachersaccountedforthan70.83%,maleteachers29.17%,ratiooffemaleteachersaccountfor41.66percent.Youngteacherinourschoolcanbeseenintheseriousimbalanceinthesexratio,obviouslytherewiththecurrentoutlooksagreaterrelationship.ThisrequirestheattentionofourAdministrativeDepartmentofeducationhighallocationsineducationissues.2ndquestionshowoldyouare()[form]optionissubtotala.under251837.5%b.26-2716816.67%d33.33%C.28-29years.30yearsold612.5%besideeffectivefilloutthepassengers,48fromsurveydata,ourhighestpercentageunder25yearsofagetheyoungteachers,followedby26-27,28-29,and30yearsofage.Description:youngteacherinourschoolinthehighestpercentageofnewteachers,youngaverageageoftheteachersisalsorelativelylow.Itcanbeseenthatyoungteachersinourschoolisnotstable,relativelyhighmobility.Schoolteachers'averageageisrelativelyyoung,iffullyutilized,schoolswillhaveplentyofreserveoftheinvitationstotenderandthetenderfilesa