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(完整word版)2018-2019学年福州数学初三二检质量检测试卷.pdf

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1、第 1 页共 7 页2018-2019 学年福州数学初三二检质量检测试卷一、选择题（每小题 4 分，共 10 小题，共 40分）1.下列天气预报的图标中既是轴对称图形又是中心对称图形的是（）2.地球绕太阳公转的速度约110 000 千米时，将110 000 用科学记数法表示，其结果是（）A.6101.1B.5101.1C.41011D.610113.已知 ABC DEF，若面积比4：9，则它们对应高的比是（）A.4:9 B.16:81 C.3:5 D.2:3 4.若正数 x 的平方等于7，则下列对x 的估算正确的是（）A.1x2 B.2x3 C.3x4 D.4x 5 5.已知ba，将等腰直角

2、三角形ABC 按如图所示的方式放置，其中锐角顶点B，直角顶点 C 分别落在直线ba、上，若 1=15，则 2 的度数是（）A.15 B.22.5 C.30 D.45 第 5 题第 8 题6.下列各式的运算或变形中，用到分配律的是（）A.662332B.222)(baabC.由52x得25xD.aaa5237.不透明的袋子中装有除颜色外完全相同的a个白球，b个红球，c个黄球，则任意摸出一个球，是红球的概率是（）A.cabB.cbacaC.cbabD.bca8.如图，等边三角形ABC 边长为 5，D、E 分别是边AB，AC 上的点，将 ADE 沿 DE折叠，点 A 恰好落在 BC 边上的点F 处，

3、若 BF=2，则 BD 的长是（）A.724B.821C.3D.2 9.已知 RtABC，ACB=90，AC=3，BC=4，AD 平分 BAC，则点 B 到射线 AD 的距精品资料-欢迎下载-欢迎下载名师归纳-第 1 页，共 7 页 -第 2 页共 7 页离是（）A.2 B.3C.5D.3 10.一套数学题集共有100 道题，甲、乙和丙三人分别作答，每道题至少有一人解对，且每人都解对了其中60 道.如果将其中只有1 人解对的题称作难题，2 人解对的题称作中档题，3 人作都解对的题称作容易题.那么下列判断一定正确的是（）A.容易题和中档题共60 题B.难题比中档题多10 题C.难题比容易题多

4、20 道D.中档题比容易题多15 道二、填空题（每小题4 分，共 6 小题，共 24 分）11.分解因式：_43mm.12.若某几何体从某个方向观察得到的视图是正方形，则这个几何体可以是_.13.如图是甲、乙两射击运动员10 次射击成绩的折线统计图，则这 10 次射击成绩更稳定的运动员是 _.第 13 题第 16 题14.若分式56mm的值是负整数，则整数m 的值是 _.15.在平面直角坐标系中，以原点为圆心，5 为半径的 O 与直线)0(32kkkxy交于 A、B 两点，则弦AB 长最小值是 _.16.如图，在平面直角坐标系中，O 为原点，点 A 在第一象限，点B 是 x 轴正半轴上一点，4

5、5OAB，双曲线xky过点 A，交 AB 于点 C，连接 OC，若 OC AB，则ABOtan的值是 _.三、解答题（本题共9 小题，共 86 分）17.（本小题满分8 分）计算：0)14.3(30tan33精品资料-欢迎下载-欢迎下载名师归纳-第 2 页，共 7 页 -文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B

6、9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8

7、I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9

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9、6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2

10、H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10

11、S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P

12、2Z6B9第 3 页共 7 页18.（本小题满分8 分）如图，已知 1=2，B=D，求证 CB=CD.19.（本小题满分8 分）先化简，再求值：2212)11(xxxx，其中13x20.（本小题满分8 分）如图，在 RtABC中，ACB=90，BD平分 ABC，求作 O，使得点O 在边 AB 上，且O 经过 B，D 两点；并证明AC与 O 相切.（要求尺规作图，保留作图痕迹，不写作法）精品资料-欢迎下载-欢迎下载名师归纳-第 3 页，共 7 页 -文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 Z

13、C5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编

14、码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7

15、 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7

16、 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文

17、档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5

18、N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1

19、C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9第 4 页共 7 页21.（本小题满分8 分）如图，将ABC沿射线 BC平移得到CBA使得点A落在 ABC的平分线 BD 上，连接AA，CA.（1）判断四边形ABAB的形状，并证明；（2）在 ABC中，AB=6，BC=4，若CABA，求四边形ABAB的面积.22.（本小题满分10 分）为了解某校九年级学生体能训练情况，该年级在 3 月份进行了一次体育测试，决定对本次测试的成绩进行抽样分析.已知九年级共有

20、学生480 人,请按要求回答下列问题：（1）把全年级同学的测试成绩分别写在没有明显差别的小纸片上，揉成小球，放在一个不透明的袋子中，充分搅拌后，随意抽取30 个，展开小球，记录这30 张纸片中所写的成绩，得到一个样本.你觉得上面的抽取过程是简单随机抽样吗？答：_（填“是”或“不是”）（2）下表是用简单随机抽样方法抽取的30 名同学的体育测试成绩（单位：分）：若成绩为x 分，当 x90 时记为 A 等级，80 x 90 时记为 B 等级，70 x 80 时记为 C等级，x70 时记为 D 等级，根据表格信息，解答下列问题：本次抽样调查获取的样本数据的中位数是_.估计全年级本次体育测试成绩在A、B

21、两个等级的人数是_.经过一个多月的强化训练发现D 等级的同学平均成绩提高15 分，C 等级的同学平均成绩提高 10 分，B 等级的同学平均成绩提高5 分，A 等级的同学平均成绩没有变化，请估计强化训练后全年级的平均成绩提高多少分？精品资料-欢迎下载-欢迎下载名师归纳-第 4 页，共 7 页 -文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C

22、7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9

23、文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I

24、5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S

25、1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6

26、B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H

27、8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S

28、9S1C7 ZC5M7P2Z6B9第 5 页共 7 页23.（本小题满分10 分）某汽车销售公司销售某厂家的某款汽车，该款汽车现在的售价为每辆27 万元，每月可售出两辆.市场调查反映：在一定范围内调整价格，每辆降低0.1 万元，每月能多卖一辆.已知该款汽车的进价为每辆25 万元.另外月底厂家根据销售量一次性返利给销售公司，销售量在10辆以内（含10 辆），每辆返利0.5 万元；销售量在10 辆以上，超过的部分每辆返利1 万元.设该公司当月销售x 辆该款汽车.（总利润=销售利润+返利）（1）设每辆汽车的销售利润为y 万元，求y 与 x 之间的函数关系式；（2）当 x10 时，该公司当月销售这款

29、汽车所获得的总利润为20.6 万元，求x 的值.精品资料-欢迎下载-欢迎下载名师归纳-第 5 页，共 7 页 -文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z

30、6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2

31、H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10

32、S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P

33、2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5

34、H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E

35、10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9第 6 页共 7 页24.（本小题满分13 分）在正方形 ABCD 中，E 是对角线AC 上一点（不与点A，C 重合），以 AD、AE 为邻边作平行

36、四边形 AEGD，EG 交 CD 于点 M，连接 CG.（1）如图 1，当ACAE21时，过点 E 作 EFBE 交 CD 于点 F，连接 GF 并延长交AC于点 H.求证：EB=EF；判断 GH 与 AC 的位置关系，并证明；（2）过点 A 作 AP直线 CG 于点 P，连接 BP，若 BP=10，当点 E 不与 AC 中点重合时，求 AP 与 PC 的数量关系.精品资料-欢迎下载-欢迎下载名师归纳-第 6 页，共 7 页 -文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文

37、档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5

38、N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1

39、C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B

40、9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8

41、I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9

42、S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z

43、6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9第 7 页共 7 页25.（本小题满分13 分）已知抛物线)0)()(5(21mmxxy与 x 轴相交于点A、B（点 A 在点 B 的左边），与y 轴交于点 C.（1）直接写出点B，C 的坐标；（用含 m 的式子表示）（2）若抛物线与直线xy21交于点 E、F，且点 E、F 关于原点对称，求抛物线的解析式；（3）若点 P 是线段 AB 上一点，过点 P作 x 轴的垂线交抛物线于点M，交直线 AC 于点 N，当线段 MN 长最

44、大值为825时，求 m 的取值范围.精品资料-欢迎下载-欢迎下载名师归纳-第 7 页，共 7 页 -文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编

45、码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7

46、 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7

47、 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文

48、档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5

49、N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9文档编码:CN5H2H8I5N7 HX9E10S9S1C7 ZC5M7P2Z6B9

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