1 . 若双曲线C:
的右支上存在
,
到点
的距离相等,则双曲线C的离心率的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1084401c5f8ef3543f1f0d82c92e4c64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4b5d27fee316cf0c5899496f791186.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc0b25de344ecb1ac034c1e11b6a800.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
解题方法
2 . 已知点
在函数
的图象上,则
到直线
的距离的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae911d5ca13a706e2172e81e348a06e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36dd638850caec98817952b1b63615b9.png)
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解题方法
3 . 已知直线l:
与抛物线C:
交于P、Q两点,O为坐标原点,则三角形OPQ的面积等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e235d7dd12f948f5ffb2e5afddc95612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
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4 . 如果直线
和曲线
恰有一个交点,那么实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e2ffb4f224aaacca33673ccdbd61db5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40314055a41fbd1e81fbdc86eb0e555a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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5 . 已知正方形
的边长为
,两个点
,
(两点不重合)都在直线
的同侧(但
,
与
在直线
的异侧),
,
关于直线
对称,若
,则
面积的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134c3d2c318a33a82da4134dd17fa57e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10109d34ef06c3e721fd2c7128c5b9ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7393358bb94b0df78fd4e29223257e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/902f97913e1af1e6c793f7edfe6b2114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6315136b2449842c9894529e25e3b445.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb9a99e6336047697901dd4a330ed634.png)
您最近一年使用:0次
2024-06-11更新
|
984次组卷
|
4卷引用:2024届广东省三模数学试题
名校
解题方法
6 . 在平面直角坐标系中,过直线
上任一点
作该直线的垂线
,
,线段
的中垂线与直线
交于点
.
(1)当
在直线
上运动时,求点
的轨迹
的方程;
(2)过
向圆
引两条切线,与轨迹
的另一个交点分别![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1cd04dbee03d604f6750dc47b671c34.png)
①判断:直线
与圆
的位置关系,并说明理由;
②求
周长的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e74c95ccefde2639966cdb1b39978de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cfa5a9df5f910d30aff0af1aab6b4fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2273ae1ee99cec9c1304323bc9ebf75f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26c2798e02ba8ee263dc4a64968a559c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1cd04dbee03d604f6750dc47b671c34.png)
①判断:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
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7 . 与直线
关于
轴对称的直线的方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9c5a26de743693d824f53cb1bc11227.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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解题方法
8 . 直线
被圆
截得的弦长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e488bcf5c0eacfb5cb27a70038d4f77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7f269f3d5e4148989d8897efa29cc60.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-06-05更新
|
134次组卷
|
2卷引用:广东省湛江市第一中学2023-2024学年高二下学期开学考试数学试题
9 . 已知抛物线
的焦点为
,点
.
(1)求抛物线
的方程;
(2)过点
的动直线
与
交于
两点,
上是否存在定点
使得
(其中
分别为直线
的斜率)?若存在,求出
的坐标;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e528434b84b703609faed1a181b60cbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c7cc7b7f753428f672c404c3055d2c.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f28491f7ef64389d62b0e1574ab56429.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.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/ae8c639f9c1068966c4511ee19ec2c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b629c4f871921212ada55eaad77413c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03df57efff473b3cfeb8503796b7d6b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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解题方法
10 . 已知直线
与圆
相交于
两点,则当
取最小值时,实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5e05b99571c176a8a519486183c622b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6425117613364f7d64042ef290ba3fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.2 | B.1 | C.-1 | D.-2 |
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