题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074306-57388.png)
小题1:(1)求此二次函数的关系式;
小题2:(2)写出A、B、C、D四点的坐标;
小题3:(3)若点F在抛物线的对称轴
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074306-99417.png)
答案
小题1:
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074307-78982.png)
小题2:
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074307-69929.png)
小题3:
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074307-21661.png)
解析
核心考点
试题【(12分)如图,二次函数y=ax2-2ax+的图象与x轴交于A、B二点,与y轴交于C点.抛物线的顶点为E(1,2),D为抛物线上一点,且CD∥x轴.小题1:(1】;主要考察你对二次函数定义等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074301-50034.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074301-53309.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074301-86877.png)
小题1:(1)求这个二次函数的解析式;
小题2:(2)设该二次函数图像的对称轴与
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074302-74646.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074302-27891.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074256-10856.png)
小题1:求此抛物线的解析式,写出抛物线与x轴的交点坐标和顶点坐标,并依此在所给平面直角坐标系中画出抛物线的大致图象;
小题2:若抛物线与
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074256-85396.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074256-22421.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074251-31408.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074240-68276.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074240-20997.png)
小题1:如图1,求
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074240-40318.png)
小题2:如图2,⊙P的半径为1,若⊙P是二次函数
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074240-19103.png)
小题3:如图3,求一次函数
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074241-55669.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074241-87326.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074241-68901.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074241-53625.jpg)
如图,二次函数
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074231-39377.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074231-85984.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074232-17665.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074232-73988.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074232-64000.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074232-77358.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074233-37245.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074233-12633.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074233-55206.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074233-64329.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074233-71502.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074232-64000.png)
(1)求实数
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074234-96084.png)
(2)若点
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074234-15370.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074234-75878.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074234-22699.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074235-79084.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074235-29335.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074235-93923.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074235-29335.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074234-75878.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074235-68614.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074235-93330.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074235-79084.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074235-93330.png)
(3)在(2)的条件下,二次函数图象的对称轴上是否存在点
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074236-83577.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074236-79230.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074236-39152.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074236-83577.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019074236-71482.png)
最新试题
- 1阅读下文,完成问题。水也有思想感情 日本学者MasaruEmoto从水的实验中,证明了人类的思想及情感是可以改变水分子
- 2计算:y2x2-xy+xy-x.
- 3给下面形近字注音并组词①型( )________ 形( )________ ③旷( )______
- 4下面是某年我国四个省(区)煤、铁、石油、盐产量占全国总产量比例(%)表,据表回答下面两题。 1.表中①、②、③、④代表
- 5下列各句中括号里的成语使用得当的一项是( )A.《警察和赞美诗》结尾(别出心裁),既在情理之中,又在意料之外。B
- 6已知两个角的两边分别平行,其中一个角为40°,那么另一角是______度.
- 7过点的直线的倾斜角为( )A.B.C.D.
- 8如图甲所示,传送带与水平面的夹角为θ,传送带以速度v0逆时针匀速转动,在传送带的上端轻轻放置一个质量为m的小木块,小木块
- 9 the Internet, our life becomes easier, faster a
- 10综合性学习。(6分)桐乡市开展创建国家语言文字示范城市活动。为了配合这项工作,某班决定开展“我与语文工具书”综合性学习活
热门考点
- 1下图反映的是:[ ]A.西欧封建等级制度 B.西周分封制度 C.雅典民主制度 D.秦朝中央集权制度
- 2—I can"t see clearly. —Let me ______ you your glasses fr
- 3根据指令[s,A] (s≥0, 0○<A<180○), 机器人在平面上能完成下列动作: 先原地逆时针旋转角度
- 4西欧封建社会时期最大的土地所有者是[ ]A.国王 B.骑士 C.教会和教
- 5I don"t understand what the engineer means, but I"ve got ___
- 6如图,∠MON=90°,矩形ABCD的顶点A、B分别在边OM,ON上,当B在边ON上运动时,A随之在OM上运动,矩形AB
- 7Tea is one of the most popular ________ in the world.
- 8先化简再求值:a(a+2)-(a-2)2,其中a=13.
- 9请仔细阅读下面的短文,完成有关问题:小蝗虫到池塘边玩耍,遇见鲫鱼正在无聊地吐泡泡.鲫鱼开腔道:“旱鸭子,你敢把头没在水中
- 10温度计上的字母C表示所使用的温标是______,该温标是由______(哪国)科学家______首先制定的,他规定___