题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034135-83115.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034136-64027.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034136-33020.gif)
(1)求顶点
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034136-64435.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034136-96439.gif)
(2)若直线
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034137-22583.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034136-64435.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034136-96439.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034137-90399.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034137-74496.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034137-94761.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034137-42306.gif)
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034138-36198.gif)
解析
核心考点
举一反三
(Ⅰ) 已知动点
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034124-56484.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034125-21883.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034125-15029.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034125-94731.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034125-86427.gif)
(Ⅱ) 若正方形
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034126-84131.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034126-44490.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034126-57271.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034126-32343.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034126-87479.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034125-86427.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034127-14416.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034127-40227.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034127-66201.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034127-77987.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034127-40227.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034128-17404.gif)
(Ⅲ) 求(2)中正方形
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034126-84131.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034128-94641.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034113-28092.gif)
如图:平面直角坐标系中
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034113-33537.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034113-61514.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034113-18864.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034113-92917.gif)
(1)求动点
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034113-60059.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034113-73427.gif)
(2)过
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034113-73427.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034113-76196.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034113-42669.gif)
两条切线
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034114-34542.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034114-83986.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034114-34542.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034114-83986.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034114-50789.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034114-16640.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034114-82158.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034114-64269.gif)
求
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034114-63340.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034105-26870.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034105-52391.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034105-34006.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034105-55141.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034105-59675.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034106-53972.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034106-98385.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034106-27903.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034105-52391.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034106-92439.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034106-16335.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034107-38041.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034107-97272.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034107-68164.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034107-32165.gif)
A. B. C. D.
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034100-64010.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034100-13474.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034100-26562.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034101-10694.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034101-57551.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034101-88590.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034101-39254.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034101-52989.gif)
①若椭圆长轴长与短轴长的和为
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034055-94833.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034055-70688.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034055-62764.gif)
②曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034055-64967.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034055-15311.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034055-24829.gif)
③命题“若
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034056-82205.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034056-47248.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034056-80435.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034056-26213.gif)
④高台跳水运动员在
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034056-69626.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034057-62420.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034057-79018.gif)
⑤“
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034057-36026.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026034057-62600.gif)
正确的命题是 。
最新试题
- 1【题文】下列各句中,没有语病的一句是
- 2设函数f(x)定义在(0,+∞)上,f(1)=0,导函数f′(x)=,g(x)=f(x)+f′(x).(Ⅰ)求g(x)的
- 3已知数列是等差数列,且(1)求数列的通项公式; (2)(文)令,求的前n项和.(2)(理)令,求的前n项和.
- 4若过点A(4,0)的直线l与曲线(x-2)2+y2=1有公共点,则直线l的斜率的取值范围为( )A.[-,]B.(-,
- 5假设你是唐太宗时的一名中书令,为挫败突厥贵族对内地的侵扰,起草了一份关于如何出兵防御的诏令,接下来你将
- 6先化简,再求值.-xy+(10xy-3x2-2y2)-3(2xy-x2),其中x=23,y=-12.
- 7在单项式y6、-2xyz4、π2ab2c、52(x2y)2 中,次数是6的单项式有( )A.2个B.3个C.4个D.无
- 8天气越干旱,塔里木河流域的人们越盼望出太阳,其主要原因是 ( )A.气温越高,冰雪融水越多B.气
- 9如图,在由边长为1的小正方形组成的网格中,三角形ABC的顶点均落在格点上.(1)将△ABC绕点O顺时针旋转90 °后,得
- 10如图所示,将向右平移3个单位长度后得再将绕点旋转后得到则下列说法正确的是 ( )A.的坐标为B.C. D.
热门考点
- 1中国博大精深的文化中,很大一部分是从古代文化尤其是从春秋战国时期诸子百家的思想观点中继承发展而来的,这就是文化传承。下列
- 2若反比例函数的图象在每一个象限中,y随着x的增大而减小,则m的取值范围是( )。
- 3(6分)某实验小组设计了如下图(a)所示的实验装置,通过改变重物的质量,利用与位移传感器、力传感器相连的计算机可得滑块运
- 4燃煤排出的二氧化硫进人大气后,会引起的环境问题是( )A.温室效应B.白色污染C.酸雨D.臭氧层破坏
- 5We _____ each other the best of luck in the exam.A.hopedB.wa
- 6(8分)完成下列化学反应(1)电解饱和食盐水
- 7选出与例句中所用的修辞方法相同的一项( )例句:一位哲学家说:“机械是手的延长。”A这棵树长得很结实。能够抵御
- 8第二节:七选五(共5题,每小题2分,满分10分)The following is a father’s advice t
- 9三颗人造地球卫星A、B、C绕地球作匀速圆周运动,如图所示,已知MA=MB>MC,则对于三个卫星,正确的是(
- 10根据对话内容,从方框内选择合适的句子补全对话。(有两项多余)A. But we are old enough. B. I