题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004257-77517.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004257-57037.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004257-31936.png)
解析
试题分析:双曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004257-77517.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004257-57037.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004258-49831.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004258-12916.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004258-33130.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004257-31936.png)
点评:简单题,双曲线的几何性质,主要涉及a,b,c,e的关系。
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004247-33696.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004247-48674.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004247-48674.png)
已知椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004234-21541.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004234-72117.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004234-97297.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004234-39260.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004235-96415.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004235-83608.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004235-68688.png)
(Ⅰ)求椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004235-34368.png)
(Ⅱ)设过点
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004235-69475.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004235-69885.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004235-34368.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004236-42901.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004236-97365.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004236-42770.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004236-85979.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004237-49096.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004237-99393.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004236-85979.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004226-85711.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004226-34291.png)
A.y2=—
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004226-56293.png)
B.y2=9x
C.y2=
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004226-18592.png)
D. y2=3x
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004218-28128.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004218-18355.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004219-42673.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004219-42673.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004219-47900.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004219-10445.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004219-42673.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004219-42673.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004219-42673.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004219-14900.png)
A.
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004219-34681.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004220-96471.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004220-53815.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004220-61430.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004206-44331.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004206-63922.png)
(1)若直角坐标平面上的点M、A(0,-b),B(a,0)满足
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004206-83837.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004207-29093.png)
(2)设直线
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004207-86927.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004206-44331.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004207-76359.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004207-33554.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004207-36680.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004207-12701.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004208-84417.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004207-12701.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004208-11110.png)
(3)对于椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004206-44331.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004206-44331.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004208-23403.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004209-82833.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004209-51213.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004208-23403.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004209-82833.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004208-23403.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026004209-82833.png)
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