题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181746-88790.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181746-24367.gif)
轴的距离为( )
A.0 | B.1 | C.2 | D.4 |
答案
解析
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181742-49391.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181743-45240.gif)
A.![]() | B.![]() | C.![]() | D.![]() |
已知抛物线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181651-83014.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181651-67021.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181652-91050.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181652-91050.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181652-24887.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181651-83014.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181652-16795.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181652-99688.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181653-86629.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181653-56549.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181652-91050.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181653-23956.gif)
(1)求椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181653-86629.gif)
(2)经过
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181652-16795.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181652-99688.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181651-83014.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181653-43566.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181654-43444.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181653-43566.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181654-43444.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181654-96617.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181655-45851.gif)
(3)椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181653-86629.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181655-80611.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181655-80611.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181651-83014.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181655-18488.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181655-49006.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181656-44382.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181656-26552.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181656-30504.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181652-91050.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181651-83014.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181655-18488.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181655-49006.gif)
![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181618-60380.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181618-69415.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181618-81246.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181619-84128.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181619-44785.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181619-74298.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181619-39582.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181619-39582.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181619-89063.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181600-11730.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181600-55672.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181600-29771.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181600-91837.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181600-11730.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181600-12118.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181601-39575.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181600-12118.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181601-39575.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181601-80693.gif)
(1)求抛物线的标准方程;
(2)求
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181601-43024.gif)
(3)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181601-79005.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181601-17476.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181601-84780.gif)
如图,已知抛物线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181540-22527.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181540-33568.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181540-82094.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181540-33568.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181540-82094.gif)
线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181540-25251.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181540-32438.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181540-49865.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181540-32438.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181540-49865.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181540-33568.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181541-45033.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181541-53550.gif)
(1)求证:直线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181541-97391.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181541-93925.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181541-40944.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181541-40944.gif)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181541-72724.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181541-24845.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181541-16671.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181540-82094.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025181542-50806.gif)
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