题目
题型:不详难度:来源:
已知直线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011214-18240.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011214-26285.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011214-65902.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011214-57705.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011215-52321.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011215-59721.gif)
(I)当
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011215-89410.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011215-74111.gif)
(II)若
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011216-60883.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011216-12086.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011216-52786.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011216-96215.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011216-60509.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011217-46405.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011217-52461.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011215-59721.gif)
,圆心
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011217-12998.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011217-99953.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011216-52786.gif)
(2)设
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011217-32568.gif)
联立方程组,
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011218-21233.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011218-10454.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011218-88705.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011218-50459.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011218-44138.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011219-79450.gif)
又
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011219-61139.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011219-97694.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011219-86254.gif)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011220-66018.gif)
从而
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011220-89077.gif)
又
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011220-66414.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011220-24006.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011220-97318.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011221-82700.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011221-79908.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011221-55023.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011221-35021.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011221-39630.gif)
解此不等式,可得
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011222-44433.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011216-96215.gif)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011207-66757.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011208-84208.gif)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011204-49333.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011158-49249.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011159-89407.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011159-32380.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011159-67503.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011159-27137.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011200-97766.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011200-21802.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011200-60710.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011200-81222.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023011200-26090.gif)
A.6条 | B.4条 | C.3条 | D.2条 |
最新试题
- 1国家发展改革委员会在组织力量编制“十二五”规划《纲要》过程,开展了主题为“共绘蓝图——我为‘十二五’规划建言献策”活动,
- 2解方程:(1)3(x+1)-1=x-2 (2)x+12 -2+3x3=1.
- 3如图,在平面直角坐标系中,二次函数(a≠0)的图象经过正方形ABOC 的三个顶点 A、B、C ,则m 的值为( )
- 4英国资产阶级革命爆发的标志是[ ]A.1688年政变 B.苏格兰人民起义C
- 5下列词语书写有两个错别字的一项是(2分)A. 良晨美景 消魂 隽永 礼上往来B. 声名雀起 眷顾 勃
- 6几十年来,我国赞美祖国的歌曲可谓层出不穷。《东方红》、《春天的故事》和《走进新时代》这些歌曲在人民群众中久唱不衰,重要原
- 7已知某种从太空飞船中带回的植物种子每粒成功发芽的概率都为13,某植物研究所分两个小组分别独立开展该种子的发芽实验,每次实
- 8正常人的眼能够看清远近不同的物体,主要原因是( )A.虹膜能调节瞳孔大小B.角膜的凸度会发生改变C.睫状体能调节晶状体的
- 9We got in my father"s car and headed straight home and______
- 10班超派甘英出使大秦最远到达[ ]A.大秦 B.波斯湾 C.大宛 D.波罗的海
热门考点
- 1中华文化之所以源远流长,还得益于它所特有的包容性,即求同存异和兼收并蓄。这种文化的特性,可以( )①有利于各民族文
- 2— Shall we go to the movie this evening? — I"d like to, but
- 3一质量为m的木块,在一个大小为F的水平恒力作用下,从静止开始在光滑的水平面上运动,经过时间t时力F的瞬时功率是( )A
- 4Is this the watch you wish _____?A.to have repairedB.to repa
- 5The booking notes of the play “ the Age of Innocence” .Price
- 6一个几何体的三视图如下图所示,其中正视图和侧视图是腰长为1的两个全等的等腰直角三角形,则该几何体的外接球的表面积为[
- 7为了建设社会主义新农村,中国共产党***民积极探索农村发展之路。为农民致富和实现农村现代化开辟的新路是A.土地改革B.农
- 8某校高一学生在开展研究性学习时,以《命运坎坷的中国近代民族工业》为题,他们得出的以下结论中,你认为与史实不符的是A列强经
- 9Domestic airline passengers will be able to make phone calls
- 10如图所示的气缸B中由活塞A封闭了一定质量的理想气体.A的质量mA=10kg,B的质量mB=20kg,A的横截面积S=50