1 . 将
上各点的纵坐标变为原来的
倍(横坐标不变),所得曲线为
.记
,过点
的直线与
交于不同的两点
,直线
,
与
分别交于点
.
(1)求
的方程;
(2)设直线
,
的倾斜角分别为
,
(
,
),求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d61985901c2bc698d72ac88f4e1eb65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7620a9ce8fcd3bf591d2fe04ec48694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf25e032b5599ac49383de06e776365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf702adb116c1e46569eb7050d029f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c219c7f114251e87f5373925e339af7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ace6dde9651ac2caaff53a25abebaae5.png)
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2 . 设函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28bd8a100f995d01627c3cb6a2ae8c83.png)
A.函数![]() ![]() |
B.函数![]() ![]() |
C.若方程![]() ![]() ![]() |
D.经过坐标原点的曲线![]() ![]() |
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解题方法
3 . 已知双曲线
,直线
分别与
的左、右支交于
两点,
为坐标原点,若
的面积为
,则直线
的方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b30352c43707c4e54b94ce5b61f2e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acd55f837e9c4e6bba1163ef13edd09b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dd698d57d1cf239eb8752aecaaa4f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
解题方法
4 . 已知函数
,
.
(1)当
时,求函数
的最小值;
(2)若
在
上单调递减,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a8e5db838077d57fb9a2f61ab5cf90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aca0cd153767be79f871165cda63caa.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ffecb03c47be920254c4ccffa5b222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa662f0273f0921c1fa4727f632395.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
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5 . 已知圆
,动圆
与圆
相内切,且经过定点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/405955adabc769b3494e59a76c8400c0.png)
(1)求动圆圆心
的轨迹方程;
(2)若直线
与(1)中轨迹交于不同的两点
,记
外接圆的圆心为
(
为坐标原点),平面上是否存在两定点
,使得
为定值,若存在,求出定点坐标和定值,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4957438e7f49ced0368ec80649c01ec8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/405955adabc769b3494e59a76c8400c0.png)
(1)求动圆圆心
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4147f37263dc5cdebcf9d53b758977dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa69fd8445d01c98634c2e885b47d5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53761501e33c431ada3f07ef4f18fde.png)
您最近一年使用:0次
2024-05-25更新
|
1133次组卷
|
5卷引用:广东省华南师范大学附属中学2024届高三下学期5月适应性考试数学试题
解题方法
6 . 已知双曲线
,直线
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9760c8eef8e3e4b31feb10564b20bf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ddca6a0aa3641a260aa5af3e981513.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
7 . 法国数学家加斯帕尔·蒙日在研究圆锥曲线时发现:椭圆的两条相互垂直切线的交点轨迹为圆,我们通常称这个圆为该椭圆的蒙日圆.根据此背景,设
为椭圆
的一个外切长方形(
的四条边所在直线均与椭圆
相切),若
在第一象限内的一个顶点纵坐标为2,则
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27542005469d5cf9863f2f32974d343d.png)
![](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/ac047e91852b91af639feec23a9598b2.png)
A.![]() | B.26 | C.![]() | D.![]() |
您最近一年使用:0次
8 . 已知椭圆
的长轴端点分别为
、两个焦点分别为
是
上任意一点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25765c6024b93eafe9b3b0a81ba19bc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fe358841f54c4215a3550455995a0f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() |
您最近一年使用:0次
解题方法
9 . 已知
分别是椭圆
的右顶点,上顶点和右焦点,若过
三点的圆恰与
轴相切,则
的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/016e82617e4586c46e55b27cd604db1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/016e82617e4586c46e55b27cd604db1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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10 . 已知抛物线C:
(
)的焦点为F,C的准线与x轴的交点为M,点P是C上一点,且点P在第一象限,设
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf050f3aca32cf6a32e1282a606ee7d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60f8308bd51c4764f4ce5fee8ddb24dd.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-05-16更新
|
489次组卷
|
2卷引用:广东省茂名市高2024届高三下学期高考模拟数学试题