11-12高二上·江苏淮安·期中
名校
1 . 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)
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2016-12-01更新
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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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