1 . 设
.若曲线
上一点
不满足
,则曲线
在点
处的切线方程为
.则曲线
过点
的切线方程为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/896021fc6c5bd4fc7fb58cc894ff81a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bbbf52d1f9d61b41bdd4acfc9fac268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b4f86e48e2b0d63c1865c60ed1e4d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/928bbbe3bdcda7bd6af53da4b1ee340d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bbbf52d1f9d61b41bdd4acfc9fac268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b4f86e48e2b0d63c1865c60ed1e4d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d6a72ab261df207cbbc3b58db5c4312.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ede062e00b14e9e1604c8174c59942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
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2 . 方程
表示的曲线是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4cd599dae5b981f6e293bbd7c169d4c.png)
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名校
3 . 数学中有很多形状优美,寓意美好的曲线,曲线
就是其中之一,则曲线
所围成的封闭图形的面积是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30dbd61c93b622e75a72ba87a29f7107.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2022-11-30更新
|
768次组卷
|
4卷引用:陕西省咸阳市武功县普集高级中学2023届高三5月模考(三)数学(文)试题
名校
4 . 已知曲线
对坐标平面上任意一点
,定义
.若两点
满足
,称点
在曲线
两侧.记到点
与到
轴距离和为5的点的轨迹为曲线
,曲线
,若曲线
上总存在两点
在曲线
两侧,则实数
的取值范围是_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735ba4f3bb4ce2114682daa3ecf19fa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/174861299cb1b64e5304c25c70eb216f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba794d5df10924e9e0672e70834e3966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ad58997b9dc0b341c9af08f0cd1fbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cb816267961a90cfe0ffc18907426fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ad58997b9dc0b341c9af08f0cd1fbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d06d31c9a2298b02664a86ddd91b1121.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/312ff07bdf7332953dff59b246a99655.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f44755c5fee4b90266eac73ad47a128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-03-23更新
|
51次组卷
|
4卷引用:高三数学开学摸底考02(上海专用)
(已下线)高三数学开学摸底考02(上海专用)上海市南洋模范中学2020-2021学年高二上学期期末数学试题上海市实验学校2021-2022学年高二下学期期中数学试题(已下线)核心考点04抛物线、曲线与方程(1)
解题方法
5 . 构造一个二元二次方程组
,使得它的解恰好为
,
,要求
与
的每个方程均要出现
,
两个未知数.答:________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0604bdd3fec9ce305beaeddff93a9ab4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c2ff4ec0ee3e05559299506c7ae4900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/843a685a9bff097b01ac91935382d3ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ba1c45c55da8fb125b91b100479e6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34c0e96a97f48c9365e7e0a4ca466204.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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6 . 已知函数
(其中e是自然对数的底数),若在平面直角坐标系xOy中,所有满足
的点
都不在圆C上,则圆C的方程可以是______ (写出满足条件的一个圆的方程即可).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7076c094534f0940c5f03f7d1fdd506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f74fe8b70a97156754d8e878f6607719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
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解题方法
7 . 曲线C:
,点P在曲线C上.给出下列三个结论:
①曲线C关于x轴对称;
②曲线C关于y轴对称;
③曲线C上的点的横坐标的取值范围是
;
④若
,
,则存在点P,使
的面积大于
.
其中,所有正确结论的序号是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a705d6c1ab8e930a506dc6e65d4c7346.png)
①曲线C关于x轴对称;
②曲线C关于y轴对称;
③曲线C上的点的横坐标的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55d12701014cf53071093e8739d089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
其中,所有正确结论的序号是
您最近一年使用:0次
8 . 如果把一个平面区域内两点间的距离的最大值称为此区域的直径,那么曲线
围成的平面区域的直径为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b79ffef55f4609e7d23a888e508464.png)
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9 . 已知曲线
.则下列命题正确的是______ .
①若
,则
是椭圆,其焦点在
轴上
②若
,则
是圆,其半径为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d249094ecb996458e35182d6b461299.png)
③若
,则
是双曲线,其渐近线方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1004e11a5ef46b2db577ed722c2ee96.png)
④若
,
,则
是两条直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff41b0435e120094baed2e8e37353ec.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66eba129d92ede31b728e2590c4db2a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ba433823cf6f0c5d158fa909f9f600.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d249094ecb996458e35182d6b461299.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bdc69abbcdf98c42b649f8d8d4cd1ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1004e11a5ef46b2db577ed722c2ee96.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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10 . 历史上,许多人研究过圆锥的截口曲线.如图,在圆锥中,母线与旋转轴夹角为30°,现有一截面与圆锥的一条母线垂直,与旋转轴的交点O到圆锥顶点M的距离为1,对于所得截口曲线给出如下命题:①曲线形状为椭圆;②点O为该曲线上任意两点最长距离的三等分点;③该曲线上任意两点间的最长距离为
,最短距离为
.其中正确命题的序号为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18483c9c195ecd922772527fa85c0fcb.png)
![](https://img.xkw.com/dksih/QBM/2020/8/4/2520601532964864/2521295030370304/STEM/37f5f231-553a-4c99-8eae-f04eded744e3.png)
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2020-08-05更新
|
571次组卷
|
3卷引用:四川省绵阳中学2023届高三上学期1月模拟检测文科数学试题