名校
解题方法
1 . 在同一平面直角坐标系
中,曲线
所对应的图形经过伸缩变换
得到图形
.点
在曲线
上,则点
到直线
的距离的最小值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f25834d8218c53cb975c2a2fe7442a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6f97b2cdc5ea45d928caf2731b76217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd4a659fc83bde199b45145bf674f4c4.png)
您最近一年使用:0次
2023-06-28更新
|
390次组卷
|
2卷引用:四川省成都石室中学2024届高三零诊模拟考试理科数学试题
名校
2 . 若圆
在变换
的作用下变成曲线
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aa38cf7e3fa5aa93fb6c13fed5f2539.png)
_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9c8f898b42ef6abe849d4cf8dba34b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a5bab47f9679f8ce18656b3f9b52a3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16761d369a8c18f6820da064e893faa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aa38cf7e3fa5aa93fb6c13fed5f2539.png)
您最近一年使用:0次
3 . 曲线
经过伸缩变换
后,所得曲线的方程为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4058fc45c49e6710ba7e273cb7888704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da8faeed2d5d576615921b37d8021d0c.png)
您最近一年使用:0次
名校
4 . 椭圆
经过
变换后所得曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
的焦点坐标为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdfa8e3d36d88de8c35ac6182e58d767.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2af773e9fadbc0b33ce67180c26f730e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31ef73bd07011d88bab2e4223b2631af.png)
您最近一年使用:0次
2020-05-02更新
|
591次组卷
|
2卷引用:四川省双流中学2019-2020学年高二下学期复学考试数学(理)试题
名校
解题方法
5 . 已知曲线
的参数方程为
(
为参数),在同一平面直角坐标系中,将曲线
上的点按坐标变换
得到曲线
,则曲线
的普通方程______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f2e2bbd5e0e6e9fe4ab76b5738fd74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2021c9a8e7e369a5aa128c9b0d7f7c23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
您最近一年使用:0次