题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094524-57120.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094524-84782.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094524-92219.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094524-39756.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094525-60717.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094525-65145.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094525-93806.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094525-93806.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094525-57828.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094525-17053.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094525-59485.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094526-33580.png)
解析
试题分析:由题得,点
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094526-84385.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094526-87900.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094526-40752.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094525-60717.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094526-97512.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094527-83392.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094527-38661.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094526-33580.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094517-87607.png)
(1)若|AB|=8,求抛物线的方程;
(2)求
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094517-76908.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094509-48566.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094509-38789.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094510-73193.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094510-14500.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094510-26981.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094510-81209.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094511-15140.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094511-24684.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094511-15367.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094505-89968.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094451-72653.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094451-83903.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094451-60281.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094451-67244.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094452-28588.png)
⑴求曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094451-72653.png)
⑵设
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094452-93659.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094452-51746.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094451-72653.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094452-13139.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094453-77994.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094453-33995.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094453-91110.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094453-43696.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094453-73914.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094454-51474.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094454-61523.png)
并求出该定点的坐标.
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094440-25416.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094441-39593.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094441-92998.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094441-92998.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094441-80315.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094441-59916.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094441-13012.png)
(1)求动点
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094441-92998.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094441-65934.png)
(2)设动直线
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094441-88191.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094441-65934.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094441-18016.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094441-10640.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094441-97702.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094442-34157.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094442-64323.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094442-34157.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024094442-34157.png)
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