1 . 若点
在以点F为焦点的抛物线
(t为参数)上,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce79cf40cd3c5426996e5ba7ee5d5600.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1655d22acbd34aa7b06bd7f92ead328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12dc1bdded62dae38ef3bd02e886757a.png)
A.4 | B.5 | C.6 | D.7 |
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解题方法
2 . 已知点
在抛物线
上,
点的横坐标为4,且
到焦点
的距离为5,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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2021-09-11更新
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248次组卷
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4卷引用:云南省玉溪第二中学2020-2021学年高二下学期第一次月考数学(文)试题
云南省玉溪第二中学2020-2021学年高二下学期第一次月考数学(文)试题(已下线)3.3.1抛物线及其标准方程(备作业)-【上好课】2021-2022学年高二数学同步备课系列(人教A版2019选择性必修第一册)2.3.1 抛物线及其标准方程 练习-2022-2023学年高二上学期数学北师大版(2019)选择性必修第一册内蒙古蒙东七校2024届高三上学期11月联考数学(文)试题
名校
解题方法
3 . 如图,椭圆的中心为原点
,离心率
,一条准线的方程为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/3f4ab646-2839-4ef1-acc6-b80c5bd11ae8.png?resizew=211)
(1)求该椭圆的标准方程;
(2)设动点
满足:
,其中
,
是椭圆上的点,直线
与
的斜率之积为
,问:是否存在两个定点
,
,使得
为定值?若存在,求
,
的坐标;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075ba8c6fb5ef7288cd3fed425c8e69e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c778e409fe63e187a09444bc888e8f3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/3f4ab646-2839-4ef1-acc6-b80c5bd11ae8.png?resizew=211)
(1)求该椭圆的标准方程;
(2)设动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d56117660de8bd784a02bc4069a5a3.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/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e9f7d1272b7344346b58b660aa260a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.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/0bfe1cad1ce47339827ac5047af4647d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
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解题方法
4 . 已知椭圆
的左、右焦点分别为
,
,离心率为
,过
且垂直于
轴的直线交椭圆于
,
两点,且
.
(1)求椭圆
的标准方程;
(2)过
的直线
交椭圆
于
,
两点,若
内切圆的周长为
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.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/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/635f9e9f56bc9e8b5d7ffeb922dba97f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c07ebcbfacda073208d483c58e8a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/890a32b1c58de8bfa024f32f808f11af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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3卷引用:河北省保定市唐县第一中学2021-2022学年高二上学期10月月考数学试题
河北省保定市唐县第一中学2021-2022学年高二上学期10月月考数学试题山西省祁县中学2021届高三下学期3月月考数学(文)试题(已下线)专题21 椭圆、抛物线(解答题)-备战2022年高考数学(文)母题题源解密(全国甲卷)
名校
5 . 若椭圆
上一点A到焦点F1的距离为2,B为AF1的中点,O是坐标原点,则|OB|的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbf679418512d6ad973531df808fd267.png)
A.1 | B.2 | C.3 | D.4 |
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6卷引用:广东省鹤山第二中学2020-2021学年高二下学期第一次月考数学试题
解题方法
6 . 求椭圆
的长轴长和短轴长、焦点坐标、顶点坐标和离心率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b578e4b7d1c147e14ca10bc011ddf76d.png)
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7 . 与椭圆9x2+4y2=36有相同焦点,且b=2
的椭圆方程是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
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解题方法
8 . 已知抛物线
的准线方程为
,直线
交抛物线于
、
两点,则弦长![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bee8e70f1fab639be1636c7bce0477.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6db0a1cbf7b0ed76c443b953af8734d0.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/88bee8e70f1fab639be1636c7bce0477.png)
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9 . 椭圆
的上顶点为
,右顶点为
,椭圆
内有一点
,且
的面积和椭圆的离心率均为
.
(1)求
的标准方程;
(2)以
为圆心,
为半径作圆
,
为
轴上的两点,
为椭圆上非坐标轴上的点,若直线
均与圆
相切,求
面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a29ba49963134a7232fa8574105fc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a11cb104b04c4e6a1be700e81da279a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b1b15a4605fce993cb13aefbf40360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fa188b364dc10f9b91777f5ff35762.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/479ddf866083b5bfcb483d2f3079ad4d.png)
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2卷引用:重庆市西南大学附属中学校2020-2021学年高二下学期第四次月考数学试题
解题方法
10 . 设直线
与双曲线
的两条渐近线分别交于
两点.若
,其中点M的坐标为
,则C的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ed813171f1c92a88943b71cd7c0c792.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76bf168bd8348784bb8556573930653b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569191869c161d771f7ef32f62e7e2d4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2卷引用:陕西省咸阳市永寿中学2020-2021学年高二下学期第一次月考文科数学试题