题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232326-68644.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232326-55633.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232327-83239.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232327-90999.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232327-44973.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232327-88985.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232328-15416.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232328-51879.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232328-93223.png)
解析
试题分析:根据题意 ,由于抛物线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232326-68644.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232326-55633.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232327-83239.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232328-89336.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232327-90999.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232327-44973.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232327-88985.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232328-15416.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232328-51879.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232328-93223.png)
点评:主要是考查了抛物线的性质的运用,属于基础题。
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232312-39815.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232312-16374.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232313-60578.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232313-24155.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232313-11533.png)
(1)写出椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232312-39815.png)
(2)过点
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232313-84920.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232314-16841.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232314-66272.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232314-21662.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232315-50904.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232303-34693.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232303-15830.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232303-40444.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232303-62839.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232304-63224.jpg)
(I)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232304-93525.png)
(II)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232304-82765.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232305-45907.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232248-16455.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232248-89885.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232248-79941.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232249-70072.png)
(Ⅰ)求a,b;
(Ⅱ)设过
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232248-79941.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232249-63087.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232249-82722.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232249-99877.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232250-93144.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232229-56758.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232229-90821.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232230-75585.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232230-97990.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232230-70110.png)
(I)求
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232230-45602.png)
(II)设过
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232231-30547.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232231-51013.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232231-18063.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232217-93515.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232217-34327.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232218-10336.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025232218-21469.png)
(Ι)求M的方程;
(Ⅱ)C,D为M上的两点,若四边形ACBD的对角线CD⊥AB,求四边形面积的最大值
最新试题
- 1一位著名的美国 史学家说:“19世纪欧洲对世界的支配与其说是以其他任何一种手段或力量为基础,不如说是以蒸汽机为基础。”这
- 22011年5月25日至26日,中共中央、国务院在北京召开了全国人才工作会议。胡锦涛***做了重要讲话,他指出:“强调切实
- 3已知等比数列的公比,前项和为,则
- 4袋子A和B中装有若干个均匀的红球和白球,从A中摸出一个红球的概率是13,从B中摸出一个红球的概率为P.(1)从A中有放回
- 51912年中华民国国歌歌词中有“揖美追欧,旧邦新造”之句,这体现了当时国人追求A.师夷长技以自强B.维新变法救亡图存C.
- 6I hope ________ a good time on weekends. [ ]A. to have
- 7如图所示,发射远程轨道导弹,弹头脱离运载火箭后,在地球引力作用下,沿椭圆轨道飞行,击中地面目标B。C为椭圆的远地点,距地
- 8下列实验操作或记录正确的是A.用两只250 mL的容量瓶配制0.1 mol/L 500 mL的NaOH溶液B.用量筒测得
- 9读太阳直射点纬度随时间变化曲线图。回答下列问题。(12分)(1)由A点到E点的时间间隔为一个 年。(2
- 10作风接“地气”,作品才有“人气”。自2011年全国新闻战线开展“走基层、转文风、改作风”活动以来,广大新闻工作者深入基层
热门考点
- 1水是人类不可缺少的物质。(1)人们在净水过程中,常常向水中加入活性炭,是因为活性炭具有
- 2The woman pulled her hat low down ____ her eyes in order not
- 3Grandmother always her children when she feels sad.A
- 4按要求改写句子1. They are having an English class. (用this afternoon
- 5The thief (小偷) climbs in _______ the window.[ ]A. with B
- 6设曲线y= (n∈N*)在点(1,1)处的切线与x轴的交点的横坐标为xn,则数列{xn}前10项和等于[ ]A.
- 72010年12月30日,长吉高铁正式开通运行:(1)该专线开通后,列车由长春开往吉林,运行的平均速度约为200km/h,
- 8__小题1:__ To begin with,cleaner environment,enjoying the gam
- 9(选修4-5:不等式选讲)求函数y=1-x+4+2x 最大值.
- 10下列词语中加粗字解释有误的一项是[ ]A.化险为夷(平地) 乍暖还寒(刚刚开始)B.竭尽全力(用尽)