名校
解题方法
1 . 已知在平面直角坐标系xOy中的一个椭圆,它的中心在原点,左焦点
,离心率为
.已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a226e791e540ed1cafef43241cbc5248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/19/6db2f8d3-9333-443b-9760-6b27b404651c.png?resizew=187)
(1)求该椭圆的标准方程;
(2)若P是椭圆上的动点,求线段PA中点M的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/731a46b81b2d40163e55ca742bf3e9cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a226e791e540ed1cafef43241cbc5248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/19/6db2f8d3-9333-443b-9760-6b27b404651c.png?resizew=187)
(1)求该椭圆的标准方程;
(2)若P是椭圆上的动点,求线段PA中点M的轨迹方程.
您最近一年使用:0次
2023-12-20更新
|
282次组卷
|
2卷引用:广东省珠海市第二中学2023-2024学年高二上学期第二次阶段考试数学试题
名校
2 . 已知双曲线
的左、右顶点分别为A,B,P是C左支上任意一点,F是左焦点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6030294837c740b4fe4bb00162137e38.png)
A.![]() ![]() |
B.点F到C的一条渐近线的距离为2 |
C.若直线![]() ![]() |
D.当点P与A,B两点不重合时,直线PA,PB的斜率之积为![]() |
您最近一年使用:0次
2023-12-20更新
|
405次组卷
|
2卷引用:广东省珠海市第二中学2023-2024学年高二上学期第二次阶段考试数学试题
名校
3 . 已知点P是椭圆
上一点,点
,
分别是椭圆的左、右焦点,且
,
的周长为8.
(1)求椭圆的标准方程;
(2)若
,求点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e9d55173f26afdf0e37462b556a605.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
(1)求椭圆的标准方程;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70318640140823fc974fa205e3ad9a5f.png)
您最近一年使用:0次
23-24高一上·广东深圳·期中
名校
4 . 设不等式
的解集为
,关于x的不等式
的解集为
.
(1)求集合
;
(2)若“
”是“
”的必要不充分条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/703d1cafa1b570863ba1fff00a7cd7cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a833e0cdfba360da41d17aaf3d55cad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
您最近一年使用:0次
名校
5 . 设全集
,集合
,集合
.
(1)若
,求
与
;
(2)若“
”是“
”的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93b115ba139ae7981b93a77be31051c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0ff2e7f8488ca9602e1dd745c6a8085.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be7026b721caf58b61b1daac10d7db2b.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
6 . 若二次函数
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49986e3fabfd3720179d706c4235634c.png)
(1)求
的解析式;
(2)若函数
,解关于
的不等式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49986e3fabfd3720179d706c4235634c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c0e68fa290e09324b667fabae0b86f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ced7663afedcd81edd9462a46ff98f.png)
您最近一年使用:0次
解题方法
7 . 已知椭圆
的离心率为
,左、右焦点分别为
为坐标原点,且
.
(1)求椭圆
的方程;
(2)已知过点
的直线
与椭圆
交于
两点,点
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447120a38d5e15d7a01d36231d648d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d4f7e7f33963df24d6a46067b4677e5.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.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/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/693d8ab207950adb01f5461171a50634.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81715fe5dca17cc3d3995c6973bebe2c.png)
您最近一年使用:0次
名校
8 . 已知命题p为“
,
”.若p为假命题,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f872a659b02d3368720e0c73d1b1386.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/286ddda1710da58a5c5752b5465f025d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-12-18更新
|
934次组卷
|
2卷引用:广东省深圳市人大附中深圳学校2023-2024学年高一上学期期中考试数学试卷
解题方法
9 . 命题
:
,
为真命题,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2939abf9f1755ea304eeb1e73063cba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e1cb4dd0d0606569baf2af1c1ee795b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
10 . 设
,当
时
;当
时
.例如
,则“
,
或
,
”是“
”的( )条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7569cd7e9b31ad838230133b9bc8314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bea49c28c8a261825babd8667cd7a26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a05cb3647f1ad81e328f8379b51291b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bdc69abbcdf98c42b649f8d8d4cd1ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b85349216e2fbdaa860e9f81b3924af3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3128f4627dd7c29e4c4f557cbd8aa2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b86304c3e26200299a0480641525a283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e654165ffea876a7210013a48cb89e48.png)
A.充分不必要 | B.必要不充分 |
C.充要 | D.既不充分也不必要 |
您最近一年使用:0次