1 . 设点
是曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a1051f32ac0bfa792267c985741cbd.png)
上任意一点,其坐标
均满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6d41bcb15cbb36cf383065732a02d42.png)
,则
取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8701e0cce437edc830438b4fe6277d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a1051f32ac0bfa792267c985741cbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/003b5cf7f0118f1549e59169079ccc7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0203b006524305c3d8ee0b6c34cd872b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6d41bcb15cbb36cf383065732a02d42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac21b1d508ecf109a38ccf419dd60f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827ecd360c908bc229825fc63afe8fda.png)
您最近一年使用:0次
2 . 已知
为坐标原点,倾斜角为
的直线
与
轴的正半轴分别相交于点
,
的面积为
.
(Ⅰ)求直线
的方程;
(Ⅱ)直线
过点
且与
平行,点
在
上,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f785147690f83dcee0a0bc6c327e75a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd2981bf2261343f905ec1b5355a3c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6093eebca8f3ff82ce9298feb197e955.png)
(Ⅰ)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(Ⅱ)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/354f8e9d6cca157b95877d6540d16fb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/354f8e9d6cca157b95877d6540d16fb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3979f27823cdcba516dfa885d8afe19d.png)
您最近一年使用:0次
11-12高二上·江苏淮安·期中
名校
3 . 已知三条直线
,
和
.
(1)若此三条直线不能构成三角形,求实数
的取值范围;
(2)已知
,能否找到一点
,使得
点同时满足下列三个条件:①
是第一象限的点;②
点到
的距离是
点到
的距离的
;③
点到
的距离与
点到
的距离之比是
.若能,试求
点坐标;若不能,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08a56de6d0cc67cb3700c6a9a12966dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0789e813ae80dba25d47a237f3ce7db2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01dac6f9c080c3c956c6d3839be8786f.png)
(1)若此三条直线不能构成三角形,求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdb9d8425d73a68731f30e0c0e22260.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fce9427c9b17e4d3cda0c3ff3e2e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64e76a4c1e5934f51cdca2ffbc8313f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2016-12-01更新
|
1656次组卷
|
4卷引用:2011-2012学年江苏省淮安中学高二上学期期中考试数学试卷
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