1 . 过抛物线
的焦点
作直线
与抛物线交于
两点,且
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8269049ffbda5333600284ee5a12f674.png)
A.直线![]() |
B.直线![]() ![]() ![]() ![]() |
C.若![]() ![]() |
D.直线![]() ![]() ![]() |
您最近一年使用:0次
解题方法
2 . 已知抛物线
的焦点
到点
的距离为
,直线
经过点
,且与
交于点
(
位于第一象限),
为抛物线上
之间的一点,
为点
关于
轴的对称点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e820a33f036a3f45975eea34630bc11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() |
B.若![]() ![]() ![]() ![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
名校
解题方法
3 . 过点
作直线l与双曲线C:
交于A,B两点,P是双曲线C的左顶点,直线
与y轴分别交于
.
(1)求直线l斜率的取值范围;
(2)求证:线段
的中点M为定点,并求出点M的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ef7883f9b72effd33bda22f803789ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2724acdc1cbf15077b0b0295ab21a3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ca00309261a540934d9b3ed9ba05b6.png)
(1)求直线l斜率的取值范围;
(2)求证:线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d7b816eca15d4b7d060013df53edd53.png)
您最近一年使用:0次
解题方法
4 . 已知点
,圆
,点
满足
,点
的轨迹为曲线
,点
为曲线
上一点且在
轴右侧,曲线
在点
处的切线
与圆
交于
,
两点,设直线
,
的倾斜角分别为
.
(1)求曲线
的方程;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/813f9a2814013e2407b5b1c216159359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f6430540f3914040ccce72666be61a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34f4c6bf15c9f488fc47924135fefd20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d8ad9e94d07405a6be585f81a0d623b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7272356beb98a7953a49651324cb6455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e3d320a78cc762dfd1cb0a6f3b9c5c2.png)
您最近一年使用:0次
名校
解题方法
5 . 已知抛物线C:
,直线l:
与C交于
,
两点,O为坐标原点,P是直线
上任意一点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d0aafd52e26c241c46d0206f42f415.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef00713e73b8357cc7900144f5505bc6.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
6 . 古希腊数学家阿波罗尼斯采用平面切割圆锥面的方法来研究圆锥曲线.后经研究发现:当圆锥轴截面的顶角为
时,用一个与旋转轴所成角为
的平面
(不过圆锥顶点)去截该圆锥面,则截口曲线(圆锥曲线)的离心率为
.比如,当
时,
,即截得的曲线是抛物线.如图,在空间直角坐标系
中放置一个圆锥,顶点
,底面圆O的半径为2,直径AB,CD分别在x,y轴上,则下列说法中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/13/d41359ad-7f9e-4e5a-817d-0f9cb36bf3c5.png?resizew=174)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8dd0c52aca1675c17b9a019aa7901e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e55f4e5a5d84670bbf3de150da74b62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffa3205b1df826d63914dcb55bb3ab43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09dbcaa127022fbd6b6f13345196408a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a834024400d0730af3e640ca4d5f54b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd5467f64f0f9f4293c63f0dce1c0f42.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/13/d41359ad-7f9e-4e5a-817d-0f9cb36bf3c5.png?resizew=174)
A.已知点![]() ![]() |
B.平面MAB截该圆锥得的截口曲线为抛物线的一部分 |
C.若![]() |
D.若平面![]() ![]() ![]() |
您最近一年使用:0次
7 . 同余定理是数论中的重要内容.同余的定义为:设a,
,
且
.若
则称a与b关于模m同余,记作
(modm)(“|”为整除符号).
(1)解同余方程
(mod3);
(2)设(1)中方程的所有正根构成数列
,其中
.
①若
(
),数列
的前n项和为
,求
;
②若
(
),求数列
的前n项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538f8c7f224b743a48128033066b34cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f6b18b109a656b62fb173680ae99ca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e34f42b3be15518c29e3689c9fe6d6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58d71082924d5b4349c3b0152930b7b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a07e47345c46575e63ff4c3df4557bc.png)
(1)解同余方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44b31b29e7f0705c981bd91329bcfee7.png)
(2)设(1)中方程的所有正根构成数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c002c44d45907aad22da19859193270b.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5653b60d16ec4e653518f0562680250.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/addee6ce5163a2580888ce2da22714af.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ac8a1dc1eda952f7145a08c047ebf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
2024-02-03更新
|
2843次组卷
|
9卷引用:安徽省合肥市第一中学2024届高三上学期期末质量检测数学试题
安徽省合肥市第一中学2024届高三上学期期末质量检测数学试题湖北省武汉市华中师大第一附中2023-2024学年高二下学期数学独立作业(一)(已下线)压轴题函数与导数新定义题(九省联考第19题模式)练(已下线)新题型01 新高考新结构二十一大考点汇总-3重庆市万州二中教育集团2023-2024学年高二下学期入学质量监测数学试题(已下线)黄金卷08(2024新题型)(已下线)题型18 4类数列综合浙江省部分学校联考2024届高三高考适应性测试数学试题广东省揭阳市普宁市华美实验学校2023-2024学年高二下学期第一次阶段考试数学试题
8 . 已知点
,
(
)是函数
(
)图象上两点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a292470b30529032965117fddef44e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
A.对任意点A,存在无数个点B,使得曲线![]() |
B.若存在点A,B,使得曲线![]() ![]() |
C.若对于任意点A,B,直线AB的斜率恒小于1,则a的取值范围是![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
名校
9 . 正四面体
棱长为6,
,且
,以
为球心且半径为1的球面上有两点
,
,
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82f462070bf390881ceee2519ac07604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd24c686fbaaa68705d654b880481ffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e49a1538831e007a0e47ec5e1069bff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5128656ad9b18360970d3f50cace2a7.png)
A.24 | B.25 | C.48 | D.50 |
您最近一年使用:0次
2024-01-10更新
|
1341次组卷
|
10卷引用:安徽省六安市六安第一中学2024届高考模拟预测数学试题(四)
安徽省六安市六安第一中学2024届高考模拟预测数学试题(四)辽宁省五校联考2023-2024学年高二上学期1月期末数学试题广东省广州市广东实验中学2024届高三上学期大湾区数学冲刺卷(三)江西省赣州市南康中学2024届高三上学期"七省联考"考前数学猜题卷(十)江西省宜春市宜丰县宜丰中学2023-2024学年高二上学期1月月考数学试题(已下线)专题12:巧解线段最值 坐标与几何湖南省岳阳市第一中学2023-2024学年高三下学期开学考试数学试题江西省新余市第一中学2023-2024学年高二下学期开学考试数学试卷(已下线)专题2 用空间向量解决立体几何问题(已下线)立体几何与空间向量-综合测试卷A卷
10 . 对于任意不为0的实数
定义一种新运算“#”:①
;②
,则关于
的方程
的根为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccc9b449710062494286a01537ecdc00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3d785aaa5c1be4b5728cf56b4727d7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/820023f3de39dffe868be95757ce76d2.png)
您最近一年使用:0次