11-12高三·广东佛山·阶段练习
1 . 已知圆
:
,圆
:
,圆
、
关于直线l对称.
(1)求直线l的方程;
(2)直线l上是否存在点Q,使点Q到点
的距离减去点Q到点
的距离的差为4,如果存在,求出点Q的坐标;如果不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81338417602aa3f61f2f62a63fb1184a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa9dd4d452ba05247ea59caf9ad9fa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(1)求直线l的方程;
(2)直线l上是否存在点Q,使点Q到点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e58c515f1e5b308eb7b3aa708db7ec0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c781a586eabe6d875c1eb1cb733c6dc.png)
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12-13高三上·吉林·期末
2 . 已知以
为渐近线的双曲线
的左、右焦点分别
,若
为双曲线D右支上任意一点,则
的取值范围是 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6bb019e2d7c6d17d15ec4d9043f5e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b699206cc40e4da0104b51c5b69b858a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aab2e77c1f4c7a60d758c237b60140fb.png)
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12-13高三上·河北衡水·期末
名校
3 . 双曲线
=1(b∈N)的两个焦点F1、F2,P为双曲线上一点,|OP|<5,|PF1|,|F1F2|,|PF2|成等比数列,则b2=_________ .
![](https://img.xkw.com/dksih/QBM/2012/2/2/1570710208364544/1570710213820416/STEM/30326a73749548f8b39bff8a5a75e5ee.png?resizew=53)
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10-11高三·贵州·阶段练习
解题方法
4 . 已知双曲线
的两个焦点为
、
,点
在双曲线第一象限的图象上,若
的面积为1,且
,
,则双曲线方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2cfd997d3b66a3b8f7731b26f0ab0c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa5d8959ad6ec97b07195cc85c04828e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94346b4de77037268790b8a2ff556d48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2016-11-30更新
|
580次组卷
|
5卷引用:2011届贵州省五校高三第五次联考理科数学(暨遵义四中第13次月考)
(已下线)2011届贵州省五校高三第五次联考理科数学(暨遵义四中第13次月考)(已下线)2012届新课标高三二轮复习综合验收(6)理科数学试卷2015-2016学年湖北省襄阳五中高二5月月考文科数学试卷黑龙江省绥化市庆安县第一中学2022-2023学年高二上学期期中考试数学试题黑龙江省绥化市庆安县2022-2023学年高二上学期期中数学试题
10-11高二上·河南新乡·阶段练习
5 . 双曲线
上一点P到它的一个焦点的距离等于1,那么点P到另一个焦点的距离为_______
![](https://img.xkw.com/dksih/QBM/2012/2/29/1570781979074560/1570781984448512/STEM/9e5e10dca70b4824b13a87ba20e2d515.png?resizew=117)
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10-11高二上·江苏徐州·阶段练习
6 . 设椭圆C1的离心率为
,焦点在x轴上且长轴长为26,若曲线C2上的点到椭圆C1的两个焦点的距离的差的绝对值等于8,则曲线C2的标准方程为___________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/954795d1842974a705f9468f3b952ab1.png)
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11-12高二上·江苏扬州·期中
7 . 双曲线
的焦点为
,弦
过
且在双曲线的一支上,若
,则
为__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd515e4f7ea6c45d65ee0483b4e322c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
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2011·重庆·一模
名校
8 . 给出以下4个命题:
① 曲线
按
平移可得曲线
;
② 若
,则使
取得最小值的最优解有无数多个;
③ 设
为两个定点,
为常数,
,则动点
的轨迹为双曲线;
④ 若椭圆的左、右焦点分别为
是该椭圆上的任意一点,延长
到点
,使
,则点
的轨迹是圆.
其中所有真命题的序号为 .
① 曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e609bfd91aaed0de4b064e4fb6361bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ced2d0a47bde59255f1adfe9a7252bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2030e3d8ffa470bb38292275ef20c0a9.png)
② 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a2cd4d541f8d78cf6978a2acde0177.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/059d6df06a5b85848dc4fa33327f8e07.png)
③ 设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87273771e7e542d8c443a00f5ad0c957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
④ 若椭圆的左、右焦点分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ed463bf16c78a4bbb9d3acff922afa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da01a3abe1c9dc4e6283afa0dc1a0d39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69527e7e2a0f0da785fc598c2bfceb58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
其中所有真命题的序号为 .
您最近一年使用:0次
10-11高三·黑龙江绥化·阶段练习
解题方法
9 .
是双曲线的左右焦点,
是双曲线上一点,且
,
,又离心率为
,求双曲线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7affd8a277498fd39b4a2a95d649f45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63238234b94a05605135a5aafc5cca67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
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