题目
题型:不详难度:来源:
A.圆 | B.椭圆 | C.双曲线的一支 | D.抛物线 |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213231-45094.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213231-69509.png)
核心考点
试题【[2014·泉州模拟]已知椭圆的焦点是F1、F2,P是椭圆的一个动点,如果M是线段F1P的中点,那么动点M的轨迹是( )A.圆B.椭圆C.双曲线的一支D.抛物】;主要考察你对曲线与方程的应用等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213222-11502.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213222-67546.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213222-42202.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213223-43170.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213223-54578.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213223-77871.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213223-45904.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213224-14029.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213224-30443.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213209-68854.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213209-92763.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213210-37931.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213210-77169.png)
(1)求椭圆标准方程;
(2)若直线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213210-19692.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213210-41374.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213211-70774.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213211-85875.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213212-62917.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213212-26715.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213212-16901.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213213-58913.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213212-16901.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213212-26715.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213202-50956.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213202-36167.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213203-65739.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213203-74941.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213203-87359.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213204-68578.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213204-58694.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213204-34482.png)
A.1 | B.2 | C.3 | D.4 |
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213151-94159.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213151-75787.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213151-78358.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213151-65303.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213151-68160.png)
A.必在圆![]() |
B.必在圆![]() |
C.必在圆![]() |
D.必在圆![]() ![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213139-79479.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213139-29947.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213140-64903.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213140-68371.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213140-11282.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213140-64903.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213140-36974.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213140-11282.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213141-65752.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213141-17408.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213141-65752.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213141-82365.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025213141-50480.png)
A.![]() | B.![]() |
C.![]() | D.以上都不正确 |
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