椭圆
的左顶点为
,右焦点为
,上顶点为
,下顶点为
,若直线
与直线
的交点为
,则椭圆的标准方程为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f93bf863e5a64507d6ce17a905767780.png)
更新时间:2016-12-13 08:02:49
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填空题-单空题
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适中
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解题方法
【推荐1】已知直线的方程为
,
的方程为
,直线l与
平行且与
在y轴上的截距互为相反数,则直线l的方程为
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【推荐2】给出以下四个命题:
①已知命题
;命题
.则命题
和
都是真命题;
②过点
且在
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③函数
在定义域内有且只有一个零点;
④先将函数
的图象向右平移
个单位,再将新函数的周期扩大为原来的两倍,则所得图象的函数解析式为
.
其中正确命题的序号为_______________ .(把你认为正确的命题序号都填上)
①已知命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134bea5721c0cf6e8e714f1ffcfb03e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d88d01fd93d799628ccc01cdcee0162d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
②过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27cf818dd484cc4cebd40a5f28eb8e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0985b973395bcd371cd1e26d3fcd1c36.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4be5a03c3cf1c9373082a3fe64480443.png)
④先将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780209d8e2b9ce902d8b483cd674f9c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
其中正确命题的序号为
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填空题-单空题
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【推荐1】已知椭圆
的右焦点
的坐标为
为椭圆
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c1b68f65d7fea008e00c1f3aed9cc04.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/3e250be74b85f35a298a68e630a24099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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【推荐2】已知点
是椭圆C:
上的一点,
是椭圆的左、右焦点,且
,则椭圆C的方程是.若圆
的切线与椭圆C相交于M点,则
的最大值是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17631a3b8996b56741a2a6276208affa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7a69ce540615909ca3ba5b5ddebf7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
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