题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141102-19293.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141103-13548.png)
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![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141102-19293.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141103-47348.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141103-58657.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141104-55733.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141103-38002.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141103-46506.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141103-58657.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141104-66965.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141104-30117.png)
答案
解析
试题分析:设
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141104-88676.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141105-30859.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141105-25083.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141103-46506.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141105-52481.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141106-47228.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141106-16744.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141106-93813.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141104-66965.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141104-30117.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141040-94439.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141040-95938.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141040-33147.png)
(1)求点
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141040-29098.png)
(2)过点
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141041-84211.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141041-97377.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141041-25826.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141041-98239.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141042-98802.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141042-19530.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141042-66310.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141041-97377.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141040-29098.png)
(3)在(2)的条件下,设点
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141042-70830.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141043-63543.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141043-94306.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141042-70830.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141043-30661.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141043-94306.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141018-86118.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141018-51018.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141018-75973.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141018-95030.png)
(1)求椭圆的方程;
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141019-85305.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141019-35411.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141019-84578.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141019-11230.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141019-68481.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141019-73450.png)
(3)在(2)的条件下,试问
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141019-57712.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141020-30507.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141020-28777.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141020-53419.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141020-62796.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141020-28777.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022141020-77294.png)
A.经过定点![]() ![]() |
B.经过定点![]() ![]() |
C.经过任意两个不同的点![]() ![]() ![]() |
D.不经过原点的直线都可以用方程![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022140947-37539.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022140947-34762.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022140947-37539.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022140942-20294.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022140942-76877.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022140943-78438.png)
A.4 | B.2 | C.1 | D.3 |
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