名校
解题方法
1 . 已知双曲线
:
(
,
)的左顶点为
,右焦点为
,离心率
,点
到渐近线的距离为
.
(1)求双曲线
的方程;
(2)设
是双曲线
上任意一点,且
在第一象限,直线
与
的倾斜角分别为
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0276541c12707b24d2f06ea3d976cf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907d5147cea4c9ce855074864fe54506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/943b765718479c160ba61ec5c6f8c5f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e29bf5652f0d4f764c3606efcdb445f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/627ee09d3f1877bab045061060559cb0.png)
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2 . 曲线
:
上到直线
距离最短的点坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7c90837a3cb9465cedff2118381feed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/435739218483a95f494351617cbbcbc3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
3 . 已知双曲线
的离心率为
,虚轴长为
.
(1)求双曲线C的方程;
(2)若动直线l与双曲线C恰有1个公共点,且分别与双曲线C的两条渐近线交于P,Q两点,O为坐标原点,证明:
的面积为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc2e6884bdcb0c1ae466765e291cc29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047616f1d1d39bf6c3cd07cf63ef5b80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
(1)求双曲线C的方程;
(2)若动直线l与双曲线C恰有1个公共点,且分别与双曲线C的两条渐近线交于P,Q两点,O为坐标原点,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1f0417d8269f01d8e0bc1a8756e2ac.png)
您最近一年使用:0次
2024-06-14更新
|
472次组卷
|
4卷引用:贵州省遵义市2023-2024学年高二下学期5月期中联考数学试题
贵州省遵义市2023-2024学年高二下学期5月期中联考数学试题(已下线)宁夏回族自治区银川一中2024届高三下学期第四次模拟考试数学(理)试卷(已下线)宁夏回族自治区银川一中2024届高三下学期第四次模拟数学(文)试卷宁夏回族自治区银川一中2024届高三下学期第四次模拟考试数学(文)试卷
名校
解题方法
4 . 点
关于直线
的对称点在圆
内,则实数
可以为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43d8c32876b176d8539404ac4e02d085.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f79af8705af8a97bc8b02181377c658c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc216ef5fdef3b5b0803a0425f53679c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.4 | B.6 | C.8 | D.10 |
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5 . 已知点
在直线
上运动,且
,点
在圆
上,则
的面积的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca8605688eecca0f1f8d916657929bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94745b50f9315e478ab5cc64cf9988ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a10949d80312f0fc9efa3a8e6bd764a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.8 | B.5 | C.2 | D.1 |
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6 . 下列命题正确的是( )
A.向量![]() ![]() ![]() ![]() ![]() |
B.已知![]() ![]() ![]() ![]() |
C.点![]() ![]() ![]() ![]() ![]() |
D.在平面直角坐标系![]() ![]() ![]() ![]() ![]() |
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7 . 圆
上到直线
的距离为1的点有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d61985901c2bc698d72ac88f4e1eb65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e8a3365e99f926b1dafa901ab232152.png)
A.1个 | B.2个 |
C.3个 | D.4个 |
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8 . 在极坐标系中,圆
的圆心到直线
的距离为 ______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69cf89e94eb51129f144d9809ec290f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/741c7e44156ecd127e95db78f7396f2c.png)
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9 . 已知实数x,y满足
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f6ab027404b25dd4b24e2f28b898029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75e4db9cbb6496cce8141bddb83c51d6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
10 . 下列结论正确的是( )
A.直线![]() ![]() ![]() |
B.已知直线![]() ![]() ![]() |
C.已知直线![]() ![]() ![]() |
D.已知直线l过定点![]() ![]() ![]() |
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