1 . 已知双曲线
,直线
与双曲线
的右支交于
两点,(
在
的上方),且与
轴交于点
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26aab0cfa94fecd357c41018048787b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01352f3199673df5291ca9857ea8c403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e4e4c7a79d9d3cdb9ac5949d53e33e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/671b087abb1d2692c8be5b16846c4690.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fcf9bfbf771cb6118f8e631724314e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d1a20a0ffbd100d664d1a0e1b72820d.png)
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2 . 已知双曲线
的渐近线方程为
,右焦点坐标为
,
为坐标原点.
(Ⅰ)求双曲线
的标准方程;
(Ⅱ)若直线
:
与双曲线
恒有两个不同的交点
和
,且
,试求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b75308335340230171130238f4dc6c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a812a9b58ccba331cfd21d244329af01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(Ⅰ)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4aafea08192eb812a06147bdb7e8dbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6822a5ae55e8912cd292b6cb68b4f28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2017-11-29更新
|
553次组卷
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2卷引用:湖北省华中师范大学第一附属中学2017-2018学年高二上学期期中考试数学(文)试题
3 . 平面内一动点
与两定点
斜率之积为2.
(1)求动点
的曲线
的方程;
(2)过点
能否作一条直线
与曲线
交于
两点,且
为线段
中点,若能,求出
的方程,不能请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d0387704e5615f4da1637fc3af07dfb.png)
(1)求动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63a8a4251367266b552521393d8e35a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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4 . 已知直线
与双曲线
(
,
)交于
,
两点,且过原点和线段
中点的直线的斜率为
,则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f75efd5283407d903968e9cc0d786b66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/296f6b73bcb1ea61bff5367a9a918613.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eda48853e8bdb7e266370b4e0d5a258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fc4f43eff164203c0d26d73f43454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa5694373bd78b1ca2180f831bf1c8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2252dec4cf2fd59caff617269567806.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d86a0a3e867a448094f74a54a1fee64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1a489b3d083ac7ab5dca1871bc570f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2122e3f1e76a635e58e4d54aa594c552.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-04更新
|
840次组卷
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9卷引用:湖北省仙桃中学2018-2019学年高二下学期期中数学(文)试题
湖北省仙桃中学2018-2019学年高二下学期期中数学(文)试题2015-2016学年辽宁葫芦岛一中等校高二6月联考理数学卷2016届广西自治区桂林柳州高考压轴文科数学试卷2016届广西自治区桂林柳州高考压轴理科数学试卷2017届河北定州中学高三上学期周练7.8数学试卷【全国市级联考】山东省肥城市2018届高三适应性训练数学(理)试题(已下线)2018年12月2日 【理科】人教选修2-1—每周一测(已下线)2018年12月2日 《每日一题》【文科】人教选修1-1—每周一测智能测评与辅导[文]-双曲线
解题方法
5 . 已知双曲线
,若双曲线的渐近线过点
,且双曲线过点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9087a172288f3e733a894e76ec160b.png)
(1) 求双曲线
的方程;
(2)若双曲线
的左、右顶点分别为
,点P在C上且直线
的斜率的取值范围是
,求直线
斜率的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/950e6108856cfb8d45b1a1e6aa6900e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9087a172288f3e733a894e76ec160b.png)
(1) 求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5c2e64358e0ec7aa142c336d970306.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800c5e266b4ad8462a46970f0a232d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/207d4e2770e2e09f2a72ce526cc2816a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46b053f98b1d05a2043e94eeaefea87.png)
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11-12高二下·湖北荆州·期中
名校
6 . 若直线
与双曲线
始终有公共点,则
取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231896d2386c924306fce5ccf9f9e8a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4334e343daae170f14d086661bc5792a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2016-12-01更新
|
745次组卷
|
4卷引用:2011-2012学年湖北省洪湖市四校高二下学期期中考试文科数学试卷
(已下线)2011-2012学年湖北省洪湖市四校高二下学期期中考试文科数学试卷(已下线)2012年苏教版高中数学选修2-1 2.1圆锥曲线练习卷广西桂林市桂林中学2020-2021学年高二下学期期中数学(文)试题天津市双港中学2022-2023学年高二上学期期末数学试题
10-11高二下·湖北襄阳·期中
7 . 过(0,2)点作斜率为k的直线l与双曲线
有两个不同交点P和Q.
⑴求k的取值范围.
⑵是否存在斜率k,使得向量
与双曲线的一条渐近线的方向向量平行.若存在,求出k的值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91403d0098ff1e9fa1db2e6c95287f51.png)
⑴求k的取值范围.
⑵是否存在斜率k,使得向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0d30fdb339249c7e4eb189508dfea06.png)
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10-11高二下·湖北黄冈·期中
8 . 已知平面上两点
和
,若直线上存在点
使
,则称该直线为“单曲型直线”,下列直线中是“单曲型直线”的是( )
①
; ②
; ③
; ④
.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d045b5459537a9b63cbb5c9ee56436e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c2adadf68484dda1a3f2e756eea934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4604bc82fe5e341c624923fbff59f2b.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107babba45f110012183dc4dc54490f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73ac1756e6cc3266bd7198a024f871af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6342e0a5a8942cfb1cf535ceb2c50d.png)
A.①和② | B.②和③ | C.①和④ | D.②和④ |
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