名校
1 . 设2阶方矩阵
,则矩阵A所对应的矩阵变换为:
,其中
,
,其意义是把点
变换为点
,矩阵M叫做变换矩阵.
(1)当变换矩阵
时,点
,
经矩阵变换后得到点分别是
,
,求经过
,
的直线的方程;
(2)当变换矩阵
,点
经矩阵
的作用变换后得到点
,求实数m,n的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66226d08dd84a2e6dc096c3fcfc7e41c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc163fa0a2929ff019012aa3623088b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/909e45af90756a0dc1fee910b1661974.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8061249592e9502a68f0d5b52172724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b08f646952c521d4f022af322b179a0a.png)
(1)当变换矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd8b0cf31caa3e7c5c7dced1559726f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a98ef6b26186130f8d88c66d3b3c78fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f87cae2228b72a1ec635860203496967.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5326817f9af012432a202749d1df59f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39e210795a966bd5dc1293479ab1988b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5326817f9af012432a202749d1df59f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39e210795a966bd5dc1293479ab1988b.png)
(2)当变换矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5184ca29a211cfb1c6b492993a608edd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/518dfce0a9aab04171383586c5077146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f8fd27ebdd03bd80b1843c3f79e55ee.png)
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2 . 设二阶矩阵
.
(1)求
;
(2)若曲线C在矩阵A对应的变换作用下得到曲线C:6x2-y2=1,求曲线C的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e12ce72dea3e08e90df1bdebfb1fbd5e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a84646168f0afc4380043a52b818c35.png)
(2)若曲线C在矩阵A对应的变换作用下得到曲线C:6x2-y2=1,求曲线C的方程.
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3 . 在平面直角坐标系xOy中,点
在矩阵
对应的变换作用下得到点
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f42a661c0cc730771c94877d2ff240c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ce1d4b580122664aeaa4f1281dcee9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91d2403b2b9d2357df415843461d38b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ae70c8fa8df99b898a30aa7738f2b27.png)
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2020-05-13更新
|
113次组卷
|
5卷引用:2017届江苏如东高级中学等四校高三12月联考数学试卷
名校
4 . 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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5 . 已知矩阵
.
(1)求矩阵
;
(2)求矩阵
的特征值以及属于每个特征值的一个特征向量.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5386c94649f7572f5747e5004ab54f9e.png)
(1)求矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a84646168f0afc4380043a52b818c35.png)
(2)求矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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6 . 已知矩阵
(c,d为实数).若矩阵A属于特征值2,3的一个特征向量分别为
,
,求矩阵A的逆矩阵
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6cf741239e355a836fe949076dac2a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b96e53014f1f2acf12d1e3d98eed65b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fcac75bd925aec6c58d030b45aa4ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a84646168f0afc4380043a52b818c35.png)
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7 . 已知矩阵
的一个特征值为
,其对应的特征向量为
,求矩阵A的逆矩阵.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25d96b681025cc1227b79976a347e2ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05df47d88bb64fe00c6ef3b9b3699617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6750777a85cfcff45fa7c56e064f101.png)
您最近一年使用:0次
8 . 已知
,向量
是矩阵
的属于特征值-3的一个特征向量.
(1)求矩阵
的另一个特征值;
(2)求矩阵
的逆矩阵
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360ff131c51a4ef6745538c18cec92c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f76789ef16c7722c30ab31c3a4e518af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d458f805c1fccc375ab5d8da42abd80.png)
(1)求矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)求矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a84646168f0afc4380043a52b818c35.png)
您最近一年使用:0次
名校
9 . 已知矩阵
的逆矩阵
.求曲线
在矩阵
所对应的线性变换作用下所得到的曲线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef582a6b9a5accde06a0af8f84495f5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377a2333ff8c63cbdb20b882d6d5a7ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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10 . 已知
,向量
是矩阵
的属于特征值3的一个特征向量.
(1)求
的值.
(2)若矩阵
满足:
,求矩阵
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f51e73a484873019c9848feced83e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c84e628ed54db62d40e24a059bb37c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34d9abeea1a11be4892ed6d4a0134f68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
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