题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062607-87111.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062607-64042.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062607-18377.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062607-95324.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062608-52997.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062608-75223.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062608-46998.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062608-78693.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062609-53412.png)
答案
解析
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062552-45270.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062552-96361.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062552-93728.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062552-46262.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062553-95296.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062553-42721.png)
(1)求这个二次函数的解析式及顶点坐标;
(2)在
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062553-20398.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062553-99830.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062553-99830.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062553-59361.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062553-91773.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062553-99830.png)
(3)在(2)的条件下,将
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062553-75769.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062553-75173.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062553-80754.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062554-49447.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062538-40596.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062538-79948.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062538-38451.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062538-75460.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062538-25644.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062538-38451.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062538-67140.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062538-75460.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062538-78554.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062538-62139.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062538-76696.jpg)
(1)求点
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062538-67140.png)
(2)如果
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062539-50337.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062525-90362.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062525-10644.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062525-68901.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062525-96786.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062526-64881.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062526-35016.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062526-69583.png)
(1)求直线
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062526-64881.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062526-19663.png)
(2)点
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062527-87786.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062527-18212.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062526-35016.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062527-88955.png)
(3)以
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062527-66846.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062527-51674.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062526-19663.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062528-35695.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062527-51674.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062512-17157.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062512-66370.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062512-17157.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062513-29752.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062513-98057.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062513-45065.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062513-48991.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062514-88232.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062512-17157.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062514-83392.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062514-71650.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062514-48628.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062514-46739.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062515-70735.png)
(2)求
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062515-35957.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062515-95649.png)
(3)当
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062515-21625.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062516-88105.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062516-28744.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062501-56081.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062501-23033.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062501-68739.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062502-56520.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062502-44540.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062502-96497.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062502-56520.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062502-44540.png)
(1)求该抛物线的表达式,并写出该抛物线的对称轴和顶点坐标;
(2)记该抛物线的对称轴为直线
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062502-41611.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062502-44540.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062502-41611.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062503-53457.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062503-22730.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062501-68739.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062503-15776.png)
① 求点
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062503-22730.png)
② 将此抛物线向右平移,平移后抛物线的顶点为
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062503-16386.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062501-56081.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062503-94683.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062504-24455.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062504-21233.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062504-20445.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019062504-66482.png)
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