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1 . 设变换
是按逆时针旋转
的旋转变换,对应的变换矩阵是
.
(1)求点
在
作用下的点
的坐标;
(2)求曲线
在变换
的作用下所得到的曲线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797c488729678e74e0825c2e92b544b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee6765a83140d745a6de4c85d9b6b50.png)
(2)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c190e3498ab082d575c24a1a66b6da0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
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解题方法
2 . 设函数
(a为实数).
(1)若
,解不等式
;
(2)若当
时,关于x的不等式
成立,求a的取值范围;
(3)设
,若存在x使不等式
成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75330c2b025bedab512d28fb1d74ef4a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)若当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/820351225ac06e38da30c64afe079f17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81ed7f6a4475e0fa682fa81ee747da3.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/837ca2d3731f02802f22c37d61232b34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa18838a13fda4e45612c32cdf98b71.png)
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2020-02-28更新
|
150次组卷
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4卷引用:上海市进才中学2018-2019学年高三上学期开学考试数学试题
上海市进才中学2018-2019学年高三上学期开学考试数学试题2018届上海市静安区高考二模数学试题(已下线)重难点12 选考系列(参数方程与不等式)-2021年高考数学【热点·重点·难点】专练(上海专用)(已下线)课时29 二、三阶行列式-2022年高考数学一轮复习小题多维练(上海专用)
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3 . 用行列式解关于x、y的方程组:
,并对解的情况进行讨论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a11426be2f51c54e336d499098ec1727.png)
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2020-01-07更新
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7卷引用:上海市延安中学2018-2019学年高二上学期期中数学试题
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4 . 关于x的不等式
的解集为
.
求实数a,b的值;
若
,
,且
为纯虚数,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/936cc21fdff36225c3107bd322b04077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3fd1e4a264b9c256df782129b4b312.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf6c84731e5e1bd335ecfc2d36c3d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f53190d6ead827a6338b9de847aeaf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/556b79148e57de2fbe66d0412eba1798.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7c59bfeaca08f51ba8319f1098c36f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6da4e6752d8c8a0705194f2b2f16ab5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aef681e03396ab434adb3d28bd26150.png)
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2020-01-01更新
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318次组卷
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6卷引用:上海市七宝中学2018-2019学年高三上学期摸底考试数学试题
上海市七宝中学2018-2019学年高三上学期摸底考试数学试题2016届上海市长宁区高三12月质量检测数学试题(已下线)模块09 矩阵和行列式初步-2022年高考数学一轮复习小题多维练(上海专用)上海市闵行区七宝中学2019-2020学年高三上学期开学考试数学试题(已下线)第02讲 不等式(已下线)7.3.2复数乘、除运算的三角表示及其几何意义(精讲)-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)
5 . 已知向量
是矩阵
的属于特征值
的一个特征向量.
(1)求实数
,
的值;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69599a28fa84489933e2e6466f5f2432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdd335e6e2a9c0095de02dd1ca351f04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a335fc7c2c46946f0bf908c78bcc46fa.png)
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2019-12-03更新
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2卷引用:江苏省扬州市2019-2020学年高三上学期期中数学试题
6 . 已知矩阵
.
(1)求
;
(2)若曲线
在矩阵
对应的变换作用下得到另一曲线
,求
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72ad0004771df5fef239fdb4e219229d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5281a7e4f6d37e698366c83fa38d7b6a.png)
(2)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca83a3c2edc7a1d19930fc2dea18b45d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
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2019-09-26更新
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2卷引用:江苏扬州高邮市2019-2020高三上学期开学考试数学(理)试题
7 . 已知矩阵
,
,且
.
(1)求实数
、
的值;
(2)求矩阵
的特征值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecc1773057af50742a11c13538702bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9542192476d384dc71549adae54b0135.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b8ea27342e250877fdef55f6bc3cf10.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(2)求矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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2019-09-19更新
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63次组卷
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2卷引用:江苏省南通市海安高级中学2019-2020学年高三上学期9月月考数学试题
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8 . 已知矩阵
,矩阵
,直线
经矩阵
所对应的变换得到直线
,直线
又经矩阵
所对应的变换得到直线
.
(1)求
的值;
(2)求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/576ade897dfe3bd8c03dc64d6dc106fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2263de8496cab5ff18fe9ceebf5bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d167da51acbca32fd17d6f7f38d8dc20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c1809d2e4db1e386f0d30213c80fb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21b48a99b6c3582a0e62e164430e81e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb37c3caee98909bce78d6dd51ffb4f5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
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2019-09-11更新
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141次组卷
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2卷引用:2019年江苏省泰州市泰州中学高三上学期开学考试数学(理)试题
9 . 已知矩阵
,
.
(1)求
;
(2)若曲线
在矩阵
对应的变换作用下得到另一曲线
,求
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaf8e9b67817104d318e66e26f66ed1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf8cced20994d321c3921953f1f2356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5811c4860222510341b8527f5c40743.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/046a760d575caa9e74ff86814d3641f5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
(2)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca83a3c2edc7a1d19930fc2dea18b45d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
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2019-04-28更新
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2卷引用:【校级联考】江苏省常州“教学研究合作联盟”2018-2019高二下学期期中考试数学(理)试题
10 . 已知矩阵A=
,满足A
=
,求矩阵A的特征值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ce108a2e47d3bfdab27fa456dedc093.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c79c23bb0fbba11cc94b17eccb2335.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fef8aaa9bb5fb8a7de45a844d3e6602.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f67a94047d640cfc40a9e9b23eded92.png)
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2019-01-29更新
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3卷引用:【市级联考】江苏省扬州市2019届高三第一学期期末检测数学试题