题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194320-48124.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194320-71529.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194320-62684.gif)
A.9 | B.10 | C.18 | D.19 |
答案
解析
核心考点
举一反三
椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194311-11294.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194311-82008.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194306-66009.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194307-13414.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194307-13466.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194307-24433.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194307-59478.gif)
A.![]() | B.![]() | C.![]() | D.1 |
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194300-52356.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194300-93563.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194300-98668.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194300-80420.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194300-24236.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194256-45213.gif)
(1)求椭圆方程;
(2)求圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194256-92307.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194245-13711.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194245-28189.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194245-44350.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194245-50034.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194246-40517.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194246-54582.gif)
(1)求椭圆的方程;
(2)是否存在过点
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194245-44350.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194246-44507.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194246-50536.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194246-76104.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194246-42620.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023194247-34560.gif)
最新试题
- 1已知向量AB与AC的夹角为120°,且|AB|=3,|AC|=2.若AP=λAB+AC,且AP⊥BC,则实数λ=____
- 2小明在草地上踢足球,发现球离开脚后仍能滚动,这是由于______,但最终还是停了下来,这又是因为______.
- 3如图所示,点B是反比例函数y=图象上一点,过点B分别作x轴、y轴的垂线,如果构成的矩形面积是4,那么反比例函数的解析式
- 4--Peter is very clever and he studies hard as well.---No ___
- 5人逐渐向平面镜靠拢的过程中,人在镜中的像[ ]A.变大 B.变小C.不变 D.无法判断
- 6在一个固定容积的密闭容器中,可逆反应:mA(g)+nB(g)pC(g)+qD(g)中,当m、n、p、q为任意正整数时,达
- 7实现主观与客观、理论与实践相统一的基础与途径是A.客观事物B.主观认识C.科学理论D.社会实践
- 8已知,则的值为( )A.B.C.D.
- 9(2013·四川,6)________you said at the meeting describes a brigh
- 10已知物质A分子式为C3H4O2,显酸性。F为由七个原子组成的环状结构,分子式为C6H8O4 。请根据以下框图回答问题(1
热门考点
- 120. ----- Did you go to see the football match in the stadiu
- 2质量为1kg的滑块,以2m/s的速度在光滑水平面上向左滑行,从某一时刻起滑块上受一向右的水平力,经一段时间,滑块的速度变
- 3My hair ____ black and long.[ ]A. hasB. amC. is
- 4人在地面上最多能举起质量是60kg的物体,而在加速下降的电梯里,最多能举起质量是80kg的物体,此时电梯的加速度为___
- 5From school to band Practice, the Venturi Eclectic is an Ear
- 6下列各句中,没有语病的一句是A.白宫今天称,美国总统奥巴马相信联合国气候峰会能够达成一项旨在减少温室气体排放的气候变化。
- 7完形填空。 In ten years I _1 _ twenty-three years old. Our
- 8一个布袋中共有10个除了颜色之外完全相同的球,其中4个白球,6个黑球,则一次任意摸出两球中至少有一个白球的概率为____
- 9有X、Y、Z三种金属,可以发生如下反应:①X+Z(NO3)2=X(NO3)2+Z ②X+YSO4=XSO4+Y
- 10以抛物线y2+8x=0的顶点为中心、焦点为一个顶点且离心率e=2的双曲线的标准方程是( )A.x24-y212=1B.