题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021457-42990.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021458-85655.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021458-69061.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021458-60036.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021458-39948.png)
解析
试题分析:直线为
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021458-60008.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021458-65962.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021459-42449.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021458-39948.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021459-10096.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021453-62897.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021454-12063.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021447-36009.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021447-21683.png)
(Ⅰ)求曲线C和直线
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021447-60586.png)
(Ⅱ)若|PM|,|MN|,|PN |成等比数列,求实数a的值.
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021438-99363.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021438-46020.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021438-33050.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021438-93428.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021439-42718.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021439-73381.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021439-93509.png)
(1)求曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021438-46020.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021439-73381.png)
(2)设曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021438-46020.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021439-73381.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021439-54721.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021439-96190.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021440-97697.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021432-40145.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021432-85434.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021432-65909.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021432-29053.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021433-38453.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021425-21305.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021425-35063.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021426-41216.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021426-19579.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021426-21869.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021425-21305.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021426-41216.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021426-25826.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191108/20191108021427-44320.png)
最新试题
- 1—Could you let me know ______ yesterday? —Because the traffi
- 2酒精和水混合到一起后体积会减小,这说明分子之间有___________。
- 3已知f(x)、g(x)是定义在[a,b]上的函数,若对任意,总有,则称f(x)可被g(x)替代,试判断函数能否被替代,并
- 4【题文】阅读下面的新闻资料,然后用一句话概括新闻内容。(不超过30字)据人民日报消息:美国东部时间11月1日(北京时间1
- 5已知在pH为4~5的环境中,Cu2+、Fe2+几乎不水解,而Fe3+几乎完全水解。工业上制CuCl2是将浓盐酸用蒸气加热
- 6西北地区的自然特征:___________________。
- 7鉴别日常生活中的下列各组物质,两种方法均正确的是A.白酒和白醋:闻气味或加入小苏打B.氢气和氮气:点燃或观察颜色C.黄金
- 8小题1:The book isn"t mine. It belongs to ________ (he).小题2:Eve
- 9Hello, everyone! My name is Wang Li. My English name is Alic
- 10我国古代神话传说中有:地上的“凡人”过一年,天上的“神仙”过一天.如果把看到一次日出就当作一天,那么,近地面轨道(距离地
热门考点
- 1用所给词的适当形式填空。1. You are never too old ________ (learn).2. I
- 2在一只试管中装入NO2和NO混合气体a升(常温常压,下同。不考虑NO2转化为N2O4。),倒扣在水槽中,与水充分反应后剩
- 3如图,△ABC中,∠C=90°,AC=8cm,AB=10cm,点P 由点C出发以2 cm/s的速度沿线CA向点A运动(不
- 4阅读材料,回答下列问题材料一 为深入贯彻《中共中央关于深化文化体制改革 推动社会主义文化大发展大繁荣若干重大问题的决定》
- 5下列各句中,没有语病的一句是[ ]A.一部《论语》,就是一部在路上的历史,这个以无数相遇和碰壁的片段构成的语录,
- 6某温度下,将2mo1A和3mo1B充入一密闭容器中,发生反应:aA(g)+B(g)C(g)+D(g),5min 后达到平
- 7下列说法正确的是 [ ]A.天然物质都比人造物质好B.通过化学变化一定能改变物质的性质C.氧化还原反应中不一定有
- 8如图所示是一观察太阳光谱简易装置,一加满清水的碗放在有阳光的地方,将平面镜M斜放入水中,调整其倾斜角度,使太阳光经水面折
- 9根据里克特在1953年提出的公式计算,每一级地震释放的能量E2与次一级地震能量E1的关系为lg(E2/E1)=1.5,其
- 10小题1: The use of health supplements such as multivitamin tabl