题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183629-84173.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183629-82054.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183629-90907.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183630-26654.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183630-93595.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183630-83230.gif)
点,若
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183630-27557.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183630-26654.gif)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
核心考点
举一反三
已知椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183618-40810.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183618-72524.gif)
(1)求椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183618-24359.gif)
(2)若经过点
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183618-16804.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183618-76475.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183618-24359.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183619-23660.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183619-96816.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183618-76475.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183610-96016.gif)
A
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183610-73979.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183610-59895.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183610-73979.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183610-55858.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183610-73979.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183611-35558.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183610-73979.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183611-72038.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183604-22078.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183605-70601.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183605-57411.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183605-89137.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183605-31443.gif)
Δ
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183605-85007.gif)
A
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183606-25636.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183606-16765.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183606-25636.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183606-10494.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183606-25636.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183606-58021.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183606-25636.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183606-43132.gif)
当m取何值时,直线L:y=x+m与椭圆9x2+16y2=144相切、相交、相离.
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183557-98027.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183558-46921.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183558-42791.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183558-30744.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183558-30669.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183558-44484.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183558-46921.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023183559-67027.gif)
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