名校
解题方法
1 . 已知双曲线
的左、右焦点分别为
在
的左支上,
,则
的取值范围为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecff4b4bb496c9a96b692db2dcfb20c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a06b66e15afa4c0bdad5a6d04ea6be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87ebf00949480b401720305670bfd892.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f4dae5397232f44d0051fae1b0bd39.png)
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名校
2 . 已知点
,动圆
与直线
相切于点
,分别过点
且与圆
相切的两条直线相交于点
,则点
的轨迹方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc7f9aef72ea48e00a25afb5d875216.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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3 . 已知双曲线
的方程为
,其左、右焦点分别是
,已知点
坐标
,双曲线
上点
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c512d0f07b1c2e03daabba3fad26433.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dad0c75ce33673ec4c425896e8619e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad20e2bc6576fc461419f8f138d26e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89cddda9100666fa42033cc4f2688fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0b1d9a416f1ad4ed048268b68c55bed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c512d0f07b1c2e03daabba3fad26433.png)
您最近一年使用:0次
2017-06-12更新
|
1071次组卷
|
2卷引用:湖南省长沙市长郡中学2017届高三下学期临考冲刺训练文科数学试题
名校
4 . 已知双曲线
的左右焦点分别为
,
,若双曲线左支上有一点
到右焦点
距离为
,
为
的中点,
为坐标原点,则
等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6d49e09b17b19d7c787e95bcf1e9731.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b837fd9c52f60bfb3b6852733abc790.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/183b6a0cef4256c9696a5bca31053da5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9720fce0136a1c2a5d2919c30e041bd0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-02-08更新
|
1037次组卷
|
8卷引用:2017届湖南郴州市高三文第二次质监数学试卷
名校
5 . 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
;②
;③
;④
是“单曲型直线”的是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c49c16edd6cbcfbc1f2e03bc3e23f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/746a8d3a47a65453a39b68ebae0a128d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee28cb74d074b3a1ca8f8716c826dc73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aeeebbf4c6119fd85ba7aa208f03ce2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107babba45f110012183dc4dc54490f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c08529959a4d0d9aa89d5f792f26d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6342e0a5a8942cfb1cf535ceb2c50d.png)
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2019-09-29更新
|
390次组卷
|
2卷引用:湖南省长沙市宁乡县第一高级中学2018-2019学年高三10月月考数学试题
6 . 双曲线
的两个焦点为
,
,若P为其图象上一点,且
,则该双曲线离心率的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a79a5b895f450a2a0851954709c9783e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09a8ac969e5cec3be6abf4ff44c692e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce6758b8b074d33ea9e82818593656e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d83ffa65303292b8398ca466480cda48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
7 . 设双曲线
的左右焦点分别为
,点
.已知动点
在双曲线
的右支上,且点
不共线.若
的周长的最小值为
,则双曲线
的离心率
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/479e119d5fcbff69e1e63d3c0ac19845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8710db18c9d6252fd777c277022a4e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a223268b8d8fd24bbb4091f3925b74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07fe570ddd875c9158a41091a84b485b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 已知
,
为双曲线的焦点,过
作垂直于实轴的直线交双曲线于
,
两点,
交虚轴于点
,若
,则双曲线的离心率为( )
![](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/a3fb78c5f885034612c0e030b920143d.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/acbad65b3d744b70da2480eee1cdb587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c16265cf73f2b9bf52ad34b74f5e0f9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-01-14更新
|
272次组卷
|
3卷引用:湖南省常德市2019-2020学年高二上学期期末数学试题
名校
解题方法
9 . 设
、
分别为双曲线
(
,
)的左、右焦点,
为双曲线右支上任一点.若
的最小值为
,则该双曲线离心率
的取值范围是( )
![](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/583b32b758c5d7fba6a69ce6a0df6555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d09e9e828fd5995ddd4e5e605499541a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17cd7223f1384160818fc1c74544c485.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-03-16更新
|
240次组卷
|
6卷引用:湖南省常德市安乡县第一中学2024届高三上学期12月月考数学试题
名校
10 . 已知双曲线的两个焦点为
、
,
是此双曲线上的一点,且满足
,
,则该双曲线的焦点到它的一条渐近线的距离为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bac496f0797d5f4480f89c3d4463a96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/372dc59109dc95343d89ad941fade047.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa093317a6cfccae7c54fa5bc893d84a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/390619198840ad4553877a189e3ef3b1.png)
A.3 | B.![]() | C.![]() | D.1 |
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2018-04-24更新
|
617次组卷
|
4卷引用:湖南省衡阳市2018届高三第二次联考(二模)理科数学试题
湖南省衡阳市2018届高三第二次联考(二模)理科数学试题(已下线)《高频考点解密》—解密20 双曲线(已下线)解密18 双曲线-备战2018年高考文科数学之高频考点解密【全国百强校】辽宁省沈阳市东北育才学校2018届高三第八次模拟考试数学(文)试题