名校
1 . 若点
为椭圆
上的一点,
,
为左右焦点,若
,则点
到
轴的距离为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cae00bdc6f8b564b6b15b32572c848b.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/db634c178cd7bffbd4cb886e3f2cca22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2022-11-22更新
|
556次组卷
|
3卷引用:四川省绵阳市江油中学2022-2023学年高二上学期期中测试数学(理)试题
名校
解题方法
2 . 已知双曲线
,过双曲线的右焦点
作一条渐近线的平行线
与双曲线交于点
,与另一条渐近线交于点
,
是坐标原点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c8c3e1af335e61f574b4b0255f4d6d.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a44342c2ee26a279265225982499b71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c8c3e1af335e61f574b4b0255f4d6d.png)
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2022-11-16更新
|
433次组卷
|
3卷引用:四川省成都市树德中学2022-2023学年高二上学期期中考试数学(文)试题
名校
解题方法
3 . 已知点
为双曲线
的左支上一点,
为坐标原点,
为双曲线的左,右焦点.
且
,则双曲线的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea0eca9162902e3fb14fdc3640961297.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b177f983f3e6a87440733047269110a.png)
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4 . 已知点
、
,动点
满足:直线
的斜率与直线
的斜率之积为
,则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a525534689bd2701205d4ab17574c39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316ba5cbb31299d683ac6c7dd795db85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82aaa597a5aa6176863eda3fdf83e181.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73e1bb189df5a70eaca676f99aeb5b50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83ea412665e3af61cb99cc3cd4764e60.png)
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2022-11-16更新
|
832次组卷
|
3卷引用:四川省南充市2022-2023学年高三高考适应性考试(零诊)文科数学试题
5 . 在平面坐标系中,动点P和点
满足
,则动点
的轨迹方程为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7731982669fc878356d57ac068e925a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0d672de8d771480ba543e16bd019fdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8701e0cce437edc830438b4fe6277d89.png)
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2022-11-15更新
|
1079次组卷
|
9卷引用:四川省绵阳南山中学2022-2023学年高二上学期期中考试理科数学试题
四川省绵阳南山中学2022-2023学年高二上学期期中考试理科数学试题(已下线)第07讲 抛物线 (高频考点,精讲)3.3.1 抛物线的标准方程(同步练习基础篇)贵州省遵义市仁怀市仁怀六中2023-2024学年高二上学期期中数学试题(已下线)3.3 抛物线(精讲)-2023-2024学年高二数学《一隅三反》系列(人教A版2019选择性必修第一册)(已下线)第07讲 抛物线及其性质(六大题型)(讲义)(已下线)3.3.1 抛物线及其标准方程(5大题型)精讲-【题型分类归纳】2023-2024学年高二数学同步讲与练(人教A版2019选择性必修第一册)(已下线)专题24 抛物线的标准方程4种常见考法归类 - 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教B版2019选择性必修第一册)(已下线)通关练17 抛物线8考点精练(2)
名校
6 . 点
是椭圆
的一个焦点,点
在椭圆上,线段
的中点为
.且
(
为坐标原点),则线段
的长为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d80a47fd46072cd717442cb378d431ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/591e9d6752c59a392df3fa4302525aac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
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2022-11-14更新
|
369次组卷
|
2卷引用:四川省绵阳南山中学2022-2023学年高二上学期期中考试数学(文)试题
名校
解题方法
7 . 已知椭圆的两个焦点分别为
,
,
为椭圆上一点,若
是以
为顶点的等腰直角三角形,则椭圆的离心率是________ .
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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2022-11-14更新
|
617次组卷
|
4卷引用:四川省安岳县石羊中学2022-2023学年高二上学期期中检测数学理科试题
解题方法
8 . 已知
,
分别是双曲线C:
的左、右焦点,过
且倾斜角为
的直线交双曲线C的右支于A,B两点,若
且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24d12f6abba29f9c7d537802d076446d.png)
______ ,C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/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9766e5e316ac8e8ecae1779070799a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac43f9ea66696fe46538d5899ea0b5c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24d12f6abba29f9c7d537802d076446d.png)
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名校
9 . 若椭圆
的焦点在
轴上,且离心率为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/067e746799677667f189d9b822ab47e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7725aa425a2cb5bcb7778a1247d3883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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2022-11-08更新
|
805次组卷
|
4卷引用:四川省乐山沫若中学2022-2023学年高二上学期第二次月考(期中考试)数学(理)试题
名校
10 . 椭圆
的长轴长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55b939a0c044b842cdc258e516a6d1de.png)
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2022-11-06更新
|
756次组卷
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4卷引用:四川省成都市蓉城名校联盟2022-2023学年高二上学期期中联考理科数学试题