解题方法
1 . 已知椭圆
的两焦点分别为
、
,长轴长为6.
(1)求椭圆
的标准方程;
(2)若以椭圆
的右顶点为焦点的抛物线
与过点
且斜率为
的直线
交于
两点,求线段
的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b35a77ce2b5d66c76b336a48d9d3340.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f491706aa7497d2f2a5056b225d3f056.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若以椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2 . 已知椭圆
:
,
是椭圆上一点(点
不在坐标轴上),椭圆的长轴为
,设直线
的斜率为
,直线
的斜率为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/515fa8da69a5869ac21b6c19f8a8b00b.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb4717d7fa6d522090c5e949f650bd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/473913c0887bb64d386f4c02f1853452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800c5e266b4ad8462a46970f0a232d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46b053f98b1d05a2043e94eeaefea87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/515fa8da69a5869ac21b6c19f8a8b00b.png)
您最近一年使用:0次
2022-11-06更新
|
473次组卷
|
2卷引用:海南省2020-2021学年高二下学期期末考试数学试题
解题方法
3 . 椭圆的标准方程
.求长轴长、短轴长、焦距焦点坐标、顶点坐标以及离心率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1205114787722e9cc9511c485cbd5d40.png)
您最近一年使用:0次
名校
4 . 设
,
且
,则 椭圆
和 椭圆
具有相同的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9374d3462754e846cbb0f7dd5fd28277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae2d87651574e905b382cfc0f021bbca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2d3a1d7178528b258602f44ed0789cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99cd361ce118bca96a731b241a9c587d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9adf695678e37fc19a64715544a2e0ce.png)
A.顶点 | B.焦点 | C.离心率 | D.长轴和短轴 |
您最近一年使用:0次
2016-12-05更新
|
1761次组卷
|
6卷引用:海南省海口市海南中学2020-2021学年高二上学期期中考试数学试题
海南省海口市海南中学2020-2021学年高二上学期期中考试数学试题2016-2017学年河北鸡泽县一中高二上学期期中数学试卷青海省西宁市城西区青海湟川中学2020-2021学年高二上学期期末数学(理)试题四川省内江市第六中学2022-2023学年高二下学期期中考试数学(文科)试卷 (已下线)《高频考点解密》—解密19 椭圆(已下线)解密17 椭圆-备战2018年高考文科数学之高频考点解密