已知定点A(0,1),B(0,-1),C(1,0).动点P满足:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2686595847e75c0d419cee36c58d9e77.png)
(1)求动点P的轨迹方程,并说明方程表示的曲线类型;
(2)当k=2时,求|2
的最大,最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2686595847e75c0d419cee36c58d9e77.png)
(1)求动点P的轨迹方程,并说明方程表示的曲线类型;
(2)当k=2时,求|2
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d285a3e3486f65f035b758963851826.png)
11-12高二·浙江温州·阶段练习 查看更多[1]
(已下线)2011-2012学年浙江省温州市苍南县树人中学高二第二次月考理科数学
更新时间:2016-12-01 17:18:16
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【推荐1】如图,已知AB为圆的定直径,CD为动直径,自点D作AB的垂线DE,垂足为E,延长ED到点P,使
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【推荐2】已知点
在以坐标原点为圆心的圆
上,直线
:
与圆
相交于
,
两点,且
在第一象限
(1)求圆
在点
处的切线方程;
(2)设
是圆
上的一个动点,点
关于原点
的对称点为
,点
关于
轴的对称点为
,如果直线
,
与
轴分别交于
和
两点,问
是否为定值?若是,求出定值;若不是,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73d26e5a4e3472fd6b1dbc1ea628a3fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/489fff90631820f5a9c375fcf313cc83.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c108539d074f02071b920120309b83e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86380a6d6501f6504dcb4aa5e3099f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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解题方法
【推荐1】已知点
、
,动点
满足直线
与
的斜率之积为
,记M的轨迹为曲线
.
(1)求
的方程,并说明
是什么曲线;
(2)经过点
的直线
与曲线
交于
、
两点.记
与
的面积分别为
和
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913f78382630e50543e5f7192cae3ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c850811ba59a05e945a665196539a048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d259822ab64b8626f3893b8432673358.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33cc0f9aa168e43cc5759f017d69b498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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【推荐2】已知抛物线C:y2=2px(p>0),焦点为F,准线为l,抛物线C上一点A的横坐标为3,且点A到准线l的距离为5.
(1)求抛物线C的方程;
(2)若P为抛物线C上的动点,求线段FP的中点M的轨迹方程.
(1)求抛物线C的方程;
(2)若P为抛物线C上的动点,求线段FP的中点M的轨迹方程.
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