名校
解题方法
1 . 已知双曲线的方程为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e90f9d264fb7b34ea1f7cbecafbb9e16.png)
A.渐近线方程为![]() | B.焦距为![]() |
C.离心率为![]() | D.焦点到渐近线的距离为8 |
您最近一年使用:0次
2024-02-03更新
|
350次组卷
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11卷引用:广西玉林市博白县实验中学2022-2023学年高二下学期5月段考数学模拟题(一)
广西玉林市博白县实验中学2022-2023学年高二下学期5月段考数学模拟题(一)黑龙江省哈尔滨德强学校2022-2023学年高二下学期3月月考数学试题A广东省汕头市金山中学2022-2023学年高二下学期期中数学试题湖南省长沙市2023届高三上学期新高考适应性考试数学试题湖南省岳阳市华容县2023届高三上学期普通高中新高考适应性考试数学试题(已下线)模块六 平面解析几何-1福建省莆田市第二十五中学2023-2024学年高二上学期期末数学试题海南省海口市海南中学2023-2024学年高二上学期期末考试数学试题陕西省西安市陕西师大附中2023-2024学年高二上学期期末数学试题新疆乌鲁木齐市第四中学2023-2024学年高二上学期(期末)阶段性诊断测试数学试题陕西省安康市高新中学2023-2024学年高二下学期第1次月考(3月)数学试题
名校
解题方法
2 . 已知椭圆
,焦距为2,离心率
.
(1)求椭圆
的方程;
(2)若椭圆
的左焦点为
,椭圆上A点横坐标为
,求椭圆的长轴长、短轴长及
的面积
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c7316976a221c051a2c14df80b1347.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2641297cb9bbcfcfcba99bf78efbaa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e381511007cf0b3fa48481e2824cdbb.png)
您最近一年使用:0次
2024-02-02更新
|
2498次组卷
|
4卷引用:广西壮族自治区玉林市博白县五校2023-2024学年高二上学期12月联考数学试卷
广西壮族自治区玉林市博白县五校2023-2024学年高二上学期12月联考数学试卷宁夏回族自治区银川市贺兰县第一中学2023-2024学年高二上学期期末复习数学试题(三)(已下线)专题27 直线与椭圆的位置关系及椭圆的弦长问题、面积问题(期末大题1)2023-2024学年高二数学上学期期末题型秒杀技巧及专项练习(人教A版2019)(已下线)3.1.2 椭圆的简单几何性质【第一练】“上好三节课,做好三套题“高中数学素养晋级之路
3 . 抛物线
的焦点坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2862bd0afd79c0b5019a8d0ce07a6bb3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 数列
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ec90d135ea72ac884a8e1415436dcd.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a5b2d7284d48e2c093a7b57e8e4981.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ec90d135ea72ac884a8e1415436dcd.png)
您最近一年使用:0次
5 . 已知圆
和圆
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fba5d35627260890fb8083a7f2724716.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f881cc583eaedd09ef99902d80ef06.png)
A.圆![]() |
B.![]() ![]() ![]() |
C.圆![]() ![]() ![]() |
D.圆![]() ![]() |
您最近一年使用:0次
6 . 已知
等差数列
的前
项和,且
,
,则下列选项不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd3c579e5e0540f190994cbb5b0653a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/345eaa86e163b97a37552f636b587e73.png)
A.数列![]() | B.![]() |
C.![]() ![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 若直线
:
与直线
:
互相平行,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a8cf38a6ce8e22a2cb3d94bd17fe49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b4a43c4139bd9e71719cd769ae5d353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.![]() | C.12 | D.![]() |
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2024-01-03更新
|
398次组卷
|
2卷引用:广西壮族自治区玉林市博白县五校2023-2024学年高二上学期12月联考数学试卷
8 . 设抛物线
的焦点为
,过
且斜率为1的直线与
交于
两点,且
.
(1)求抛物线
的方程;
(2)已知过点
的直线
与
交于不重合的两点
,且
,直线
和
的斜率分别为
和
.求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c42d88e496a17562d25195301e0ac2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/f1ed9d97b8745ed1c15349ea3fffc299.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)已知过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2a5e336b6bcba6354fd366c892dd06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530e5817131adf2c05b99ff18eb9060f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1456e81321ccb20077b34562ca9cffbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090b7ee52d644d0c630ef44aec1726dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f63e9a213f3dd57269cf4ff02d6212e0.png)
您最近一年使用:0次
2024-01-03更新
|
674次组卷
|
4卷引用:广西壮族自治区玉林市博白县五校2023-2024学年高二上学期12月联考数学试卷
解题方法
9 . 已知数列
的前
项和为
.
(1)求
的通项公式;
(2)若
,求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57c599e7cec6d192fb73218e7882ceca.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f4be23479127423828e7f0479895a4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
10 . 数列
中,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb384f5d5bf94e7ea99ccb3a1412f829.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d5dc582a9776b472b2d4ffbc434b56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
A.51 | B.40 | C.41 | D.50 |
您最近一年使用:0次
2024-01-03更新
|
1242次组卷
|
3卷引用:广西壮族自治区玉林市博白县五校2023-2024学年高二上学期12月联考数学试卷