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1、广东省各地 20XX届高三上学期期末考试数学理试题分类汇编圆锥曲线一、选择题1、（广州市20XX届高三 1 月调研测试）若点(1,0)A和点(4,0)B到直线l的距离依次为1 和2，则这样的直线有（）A1 条 B 2 条 C3 条 D4 条2、（惠州市20XX 届高三第三次调研考）设椭圆22221(0,0)xymnmn的右焦点与抛物线28yx的焦点相同，离心率为12，则此椭圆的方程为（）A2211612xyB2211216xyC2214864xyD2216448xy3、（揭阳市20XX届高三学业水平考试）若双曲线22221xyab的离心率为3，则其渐近线的斜率为（）A.2 B.2 C.12 D
2、.224、（增城市20XX届高三上学期调研）与圆221xy及圆228120 xyx都相外切的圆的圆心在（）(A)一个椭圆上 (B)一支双曲线上 (C)一条抛物线上 (D)一个圆上5、（江门市20XX届高三调研考试）已知点)2,1(A，)1,2(B，则线段AB的垂直平分线的方程是（）A03yx B01yx C0yx D0yx6、（江门市20XX届高三调研考试）平面直角坐标系中，抛物线xy212与函数xyln图象的交点个数为（）A0 B1 C2 D3二、填空题1、（佛山市20XX届高三教学质量检测（一）设12,FF是双曲线22124yx的两个焦点，P是双曲线与椭圆2214924xy的一个公共点，则
3、12PF F的面积等于 _ 2、（省华附、省实、广雅、深中四校20XX 届高三上学期期末）已知直线:lxp 过抛物线2:4Cyx的焦点，直线l 与抛物线 C 围成的平面区域的面积为,S则p_，S .三、解答题1、（佛山市20XX届高三教学质量检测（一）如 图7所 示,已 知 椭 圆C的 两 个 焦 点 分 别 为11,0F、21,0F,且2F到 直 线390 xy的距离等于椭圆的短轴长.()求椭圆C的方程；()若圆P的圆心为0,Pt(0t),且经过1F、2F,Q是椭圆C上的动点且在圆P外,过Q作圆P的切线,切点为M,当QM的最大值为3 22时,求t的值.2、（广州市20XX届高三 1 月调研测
4、试）如图7，已知椭圆C的方程为222210 xyabab，双曲线12222byax的两条渐近线为21,ll过椭圆C的右焦点F作直线l，使1ll，又l与2l交于点P，设l与椭圆C的两个交点由上至下依次为A，B（1）若1l与2l的夹角为60，且双曲线的焦距为4，求椭圆C的方程；（2）求|APFA的最大值.x y F1 F2 O 图 7O x y B A F P l1 l l2 图 7 文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN1
5、0W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN
6、10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 H
7、N10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10
8、HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10
9、 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M1
10、0 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M
11、10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I33、（增城市20XX届高三上学期调研）已知点1,0,1,0,AB直线 AM,BM 相交于点M，且2MAMBkk.（1）求点 M的轨迹C的方程；（2）过定点（0,1）作直线PQ与曲线 C交于 P,Q 两点，且3 22PQ，求直线PQ的方程.4、（省华附、省实、广雅、深中四校20XX届高三上
12、学期期末）在平面直角坐标系中，已知点(2,2)F及直线:20l xy，曲线1C是满足下列两个条件的动点(,)P x y的轨迹：2,PFd其中d是P到直线l的距离；00.225xyxy(1)求曲线1C的方程；(2)若存在直线m与曲线1C、椭圆22222:1(0)xyCabab均相切于同一点，求椭圆2C离心率e的取值范围.文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10
13、R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E1
14、0R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E
15、10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9
16、E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC
17、9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:C
18、C9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:
19、CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I35、（惠州市20XX届高三第三次调研考）如图，已知动圆M过定点(0,1)F且与x轴相切，点F关于圆心M的对称点为F，动点F的轨迹为C（1）求曲线C的方程；（2）设00(,)A xy是曲线C上的一个定点，过点A任意作两条倾斜角互补的直线，分别与曲线C相交于另外两点P、Q，证明：直线PQ的斜率为定值6、（江门市20XX届高三调研考试）如图 3，椭圆的中心
20、在坐标原点O，过右焦点)0,1(F且垂直于椭圆对称轴的弦MN的长为 3 求椭圆的方程；直线l经过点O交椭圆于P、Q两点，NQNP，求直线l的方程图 3 文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E
21、10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9
22、E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC
23、9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:C
24、C9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:
25、CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码
26、:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编
27、码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3图（6）yxBOEFD7、（揭阳市20XX届高三学业水平考试）如图（6），已知(,0)F c是椭圆2222:1(0)xyCabab的右焦点；222:()Fxcya与x轴交于,D E两点，其中E是椭圆C的左焦点.(1)求椭圆C的离心率；(2)设F与 y 轴的正半轴的交点为B，点A是点D关于y 轴的对称点，试判断直线AB与F的位置关系；(3)设直线AB与椭圆C交于另一点G，若BG D的面积为24 613c，求椭圆C的标准方程.8、（汕头市20XX届高三上学期期末教学质量监测）文档编码:CC9E10R1Y5M10 HN1
28、0W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN
29、10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 H
30、N10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10
31、HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10
32、 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M1
33、0 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M
34、10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I39、（肇庆市20XX届高三上学期期末质量评估）已知椭圆2222:1(0)xyCabab的离心率为12,椭圆短轴的一个
35、端点与两个焦点构成的三角形的面积为3，过椭圆C的右焦点的动直线l与椭圆C相交于A、B两点.(1)求椭圆C的方程;(2)若线段AB中点的横坐标为12,求直线l的方程;(3)若线段AB的垂直平分线与x轴相交于点D.设弦AB的中点为P,试求DPAB的取值范围.文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文
36、档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3
37、文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I
38、3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2
39、I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C
40、2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3
41、C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S
42、3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I310、（珠海市20XX届高三上学期期末）已知椭圆22:12xCy的左、右焦点分别为12FF、，O为原点.（1）如图 1，点M为椭圆C上的一点，N是1MF的中点，且21NFMF，求点M到y轴 的距离；（2）如图 2，直线:lykxm与椭圆C相交于PQ、两点，若在椭圆C上存在点R，使四边形OPRQ为平行四边形，求m的取值范围图1OyxNMF2F1文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2
43、S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H
44、2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6
45、H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH
46、6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 Z
47、H6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4
48、ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4
49、 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3文档编码:CC9E10R1Y5M10 HN10W4X2M4V4 ZH6H2S3C2I3参考答案一、选择题CABBCD 二、填空题1、答案：24 2、答案：81,.3三、解答题1、（佛山市20XX届高三教学质量检测（一）()求椭圆C的
50、方程；()若圆P的圆心为0,Pt(0t),且经过1F、2F,Q是椭圆C上的动点且在圆P外,过Q作圆P的切线,切点为M,当QM的最大值为3 22时,求t的值.【解析】()设椭圆的方程为22221xyab(0ab),依题意,19242b,1分所以2b2 分又1c,3 分所以2225abc,4 分所以椭圆C的方程为22154xy.5 分 ()设,Q x y(其中22154xy),6 分圆P的方程为2221xytt,7 分因为PMQM,所以221QMPQt2221xytt8 分2214444ytt9 分当42t即12t时,当2y时,QM取得最大值,10 分且max3 2432QMt,解得3182t(舍