11-12高三上·全国·单元测试
真题
1 . 如图,三定点
、
、
,三动点
、
、
满足
,
,
,
.
(Ⅰ)求动直线
斜率的变化范围;
(Ⅱ)求动点
的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c179fe7eff7abfdd092b63c9c1b82d0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3544997cc034ed882c0d0a3bdbf5f957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f2b2e17012dad782bd12795cd27488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc1db3fcd59bc59578a16a77b5f0419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b33e3cad569c065550048be660b067b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36694ad3eeac22f1550a3bed0e1d1abe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2187ee1ea3b7e47a6283314322e5decf.png)
(Ⅰ)求动直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
(Ⅱ)求动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://img.xkw.com/dksih/QBM/2011/10/14/1570316276137984/1570316282060800/STEM/69104bae-3900-4846-9d1b-c47e9d318187.png?resizew=183)
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2016-12-01更新
|
1718次组卷
|
3卷引用:2006年普通高等学校招生考试数学(文)试题(陕西卷)
10-11高一下·山东·期末
2 .
已知向量
与向量
的对应关系可用
表示.试问是否存在向量
,使得
成立?如果存在,求出向量
;如果不存在,请说明理由.
![](https://img.xkw.com/dksih/QBM/2011/7/12/1570255702491136/1570255707906048/STEM/98d93ffd964041d08f3ff48d572272fa.png?resizew=12)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d0de95dc888471ed33cf137b5284226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84ec160a0518fbd3e3ea4293e51ac769.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b97438095118901a45782f8991d0569f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2a97bc0e5239bd6dbc19e531bfca463.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4177a11cd3853401ad352f492820f379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9856ad2a8dd1b673ec2cfa9ee0a1eaff.png)
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2011·广东·一模
3 . 已知抛物线
:
和点
,若抛物线
上存在不同两点
、
满足
.
(1)求实数
的取值范围;
(2)当
时,抛物线
上是否存在异于
、
的点
,使得经过
、
、
三点的圆和抛物线
在点
处有相同的切线,若存在,求出点
的坐标,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b35f0b940c8422ef47edc3b7ce55e47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3a82559b17ce09580bb3b4a7deae98a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e97f488b994f670333d14deff7a99261.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7acff98078cdd32804d8f1c4efbe2ddd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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