首页
试卷库
试题库
当前位置:
X题卡
>
所有题目
>
题目详情
若抛物线y=-x2+bx+c经过(3,-1)和(0,-4)两点,则b的值为( )
查看本题答案
包含此试题的试卷
教案备课库《作业009B待定系数法求二次函数解析式(一)》真题及答案
点击查看
你可能感兴趣的试题
如图抛物线y=ax2+bx﹣4a经过A﹣10C04两点与x轴交于另一点B.1求抛物线的解析式2已知点
在平面直角坐标系xOy中抛物线C.y=mx2+4x+1.1当抛物线C.经过点A.﹣56时求抛物线的表
已知抛物线p>0的准线经过点﹣1-2则抛物线的焦点坐标为
(0,2)
(4,0)
(0,4)
(2,0)
已知抛物线y=x2+bx+c经过点31﹣11则此抛物线还经过点
(1,2)
(0,﹣2)
(﹣5,2)
(﹣2,0)
将抛物线y=x﹣12+3向左平移1个单位得到的抛物线与y轴的交点坐标是
(0,2)
(0,3)
(0,4)
(0,7)
如图一抛物线经过点A.B.C.点A.−20点B.04点C.40该抛物线的顶点为D.1求该抛物线的解析
已知抛物线与x轴交于A.B.两点点A.在点B.的左边与y轴交于点C.1若点A.B.的坐标分别为-20
已知抛物线y=x2+bx+c经过点31和-11则此抛物线还经过点
(1,-2)
(-2,0)
(0,-2)
(0,2)
已知抛物线y=-x2+bx+c经过点A.04且抛物线的对称轴为直线x=21求该抛物线的解析式2若该抛
已知抛物线y=ax﹣12过点31D为抛物线的顶点.1求抛物线的解析式2若点B.C均在抛物线上其中点B
已知二次函数的图像经过点A.04和B.1-2.1求此函数的解析式并运用配方法将此抛物线解析式化为y=
抛物线y=ax2+bx+c过﹣3010两点与y轴的交点为04求抛物线的解析式.
已知抛物线C1y=ax2+4ax+4a+ba≠0b>0的顶点为M经过原点O且与x轴另一交点为A.1求
如图1抛物线y=ax2+bx﹣4a经过A.﹣10C.04两点与x轴交于另一点B.1求抛物线的解析式2
对称轴平行于y轴的抛物线的顶点为点23且抛物线经过点31那么抛物线解析式是.
已知如图直线l经过A.40和B.04两点抛物线y=ax﹣h2的顶点为P.10直线l与抛物线的交点为M
抛物线y=2x﹣32+1的顶点坐标是
(3,1)
(4,﹣1)
(﹣3,1)
(﹣3,﹣1)
已知二次函数y=﹣2x2+bx+c的图象经过点A04和B1﹣2.1求此函数的解析式并运用配方法将此抛
如图在直角坐标系中抛物线经过点A.04B.10C.50其对称轴与x轴相交于点M..1求抛物线的解析式
已知抛物线y=ax2+bx-4a经过A.-10C.04两点与x轴交于另一点B.1求抛物线的解析式2若
热门试题
更多
WiththechildrenplayingoutsidesoIcan’tfocusonmyworkatall.Aaloud B.loudly C. loud D.louder
Toincreaseyourreadingspeedit'sagoodwayto.A.readwordbyword B.readthetextbookaloudC.readquicklytogetthemainidea D.useadictionary
Hespoke quicklythatwecouldn’tunderstandhim.A.too B.very C.so D.enough
Iwanttoknow.A.whenweshouldarriveattheairportB.whenshouldwearriveattheairportC.whentheairportweshouldarriveatD.whentheairportshouldwearriveat
Takingpartinactivitiesisgoodfordevelopingchildren’sdepend.
Thepolicequestionhimwhathehaddonethedaybefore.
Thegirlisshyaskanyquestionsatclass.A.so...that B.enough...to C.such...that D.too...to
IadmireknowledgepeoplesoIreadtravelandlearnfrompeople.
It’snotpolitetoaskpeopleinEngland.A.howmuchmoneytheyhavegot B.whattheweatherislikeC.whattheircitieslooklike D.howoldarethey
Doyouknowduringthecomingholiday?A.whatwillTomdo B.whatdidTomdoC.whatTomwilldo D.whatTomdid
OurgeographyteachertoldusthatJapantheeastofChina.A.isin B.wasin C.isto D.wasto
Don’treadwordwordoryoucan'tincreaseyourreadingspeed.A.and B. with C. to D.by
Pleasetellme.Ihavesomegoodnewsforhim.A.whereRobertlives B.wheredoesRobertliveC.whereRobertlived D.wheredidRobertlive
MichaelJordanhasfailedoverandoveragaininhislife.Andthat'shesucceeded.A.what B.when C.why D.where
MissLinoftenasksustoaconversationtopracticewhatwelearned.A. makeup B.lookup C.putup D.takeup
YouhavetobeandjoinyourclassmatestopracticeEnglish.A.patient B.secret C.active D.perfect
TomakeaqualifiedwifeCeliaispracticingcookhard.
Themoreseriousheisthewelaugh.A.happier B. morehappier C.morehappily D.happily
Trytostudytheinformationbitbybit waitinguntilthelastminutetostudyeverythingatonce.A.dueto B.becauseof C.instead D.insteadof
Calebsoongotborewiththelectureandhismindbegantowander.
—Doyouknowthegirlinredis?—I’mnotsure.Maybeateacher.A.who B.how C.where D.what
—do youstudyforthemathtest?—Istudywithagroupafterclass.A.How B. Why C. When D.Where
Somechildrenareactiveatschoolthanathome.
—Excuseme.CouldyoutellmeIcangettotheSpaceMuseum?—Ofcourse.YoucantakebusNo.1.A.where B.how C.if D.why
Thenumberofwomenwhogotoworkincreasebythreetimesinthelasttenyears.
ItMr.Greenanhourtofixupthebicycleyesterday.A.cost B.paid C.spent D. took
Myphysicsteachersaidthatlightfasterthansound.A.travel B.travelsC.traveled D.traveling
Hesucceededswimacrossthechannelduetohisspiritofnevergivingup.
WhynottheEnglishlanguageclub?There’remanynativeEnglishspeakers.A.join B.joinin C.takepartin D.make
Columbus哥伦布thenewcontinent.Americain1492.A.found B.found out C.discovered D. realized
热门题库
更多
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
高一下学期数学
教案备课库
高一上学期数学
高一上学期化学
教案备课库
教案备课库
教案备课库
高一上学期物理
教案备课库
教案备课库