1 . 已知点
为抛物线
的焦点,经过点
且倾斜角为
的直线与抛物线相交于
,
点,
(
为坐标原点)的面积为
,线段
的垂直平分线与
轴相交于点
.则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a5f031fbe09d8ed7d451279f31eb595.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/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fcfaeb35bf30c2d5d8f2a8164898fd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/eb54c4990f7725e9fb6ae5ad3ddd732c.png)
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2020-07-05更新
|
445次组卷
|
3卷引用:四川省泸州市叙永第一中学校2024届高三上学期期末数学(理)试题
四川省泸州市叙永第一中学校2024届高三上学期期末数学(理)试题四川省成都市2020届高中毕业班第三次诊断性检测理科数学试题(已下线)第03章 圆锥曲线的方程(B卷提高卷)-2020-2021学年高二数学选择性必修第一册同步单元AB卷(新教材人教A版)
2 . 已知抛物线
,抛物线
与圆
的相交弦长为4.
(1)求抛物线
的标准方程;
(2)点
为抛物线
的焦点,
为抛物线
上两点,
,若
的面积为
,且直线
的斜率存在,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da3b76563a960ff9faef02b948754f03.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)点
![](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/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/243a9ae75886b75c37f88a0ba655fa31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce8d5806ce7ba1e565d938a0bf0d0683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55680ba5f18c5c3a32b3d6738abb1c35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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2020-03-15更新
|
381次组卷
|
4卷引用:四川省泸州市泸县第五中学2024届高三上学期期末数学(理)试题
解题方法
3 . 记抛物线
的焦点为
,点
在抛物线
上,且直线
的斜率为1,当直线
过点
时,
.
(1)求抛物线
的方程;
(2)若
,直线
与
交于点
,
,求直线
的斜率.
![](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/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc31915696520f84dc833070587470ba.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e1f7bc0c8b77e0b79007d06954f68db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b63d2504bd3ecce8c10560b142356f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619e508c30aeb289aec57f77c2faae34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc29330979e64e99678423e58759779.png)
您最近一年使用:0次
2020-03-04更新
|
305次组卷
|
4卷引用:四川省乐山市2022-2023学年高三上学期期末考试数学模拟试题
名校
4 . 斜率为2的直线l经过抛物线
的焦点F,且与抛物线相交于
两点,则线段AB的长为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac62b1ade07205ae2693ec1ab135def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
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2019-12-26更新
|
487次组卷
|
4卷引用:四川省成都市双流区双流棠湖中学2019-2020学年高三上学期期末数学(理)试题
名校
5 . 点
是抛物线
上的两点,
是抛物线
的焦点,若
,
中点
到抛物线
的准线的距离为
,则
的最大值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cefbb670766ed982865c7eaac136cc6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7606366813d086c2c2cead06d1979564.png)
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2019-12-21更新
|
958次组卷
|
7卷引用:四川省泸县第五中学2022-2023学年高三上学期期末考试数学(理)试题
6 . 已知抛物线
的焦点为F,定点
.若射线FA与抛物线C相交于点M(点M在F、A中间),与抛物线C的准线交于点N,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d647c9ea0e1569ac4d6f60bc6f8d6c9.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc7ad3432ac96b0a38beaa7f2edc3499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d888fc0c8084daf6c1960ea8d54bf31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d647c9ea0e1569ac4d6f60bc6f8d6c9.png)
您最近一年使用:0次
2019-11-08更新
|
429次组卷
|
3卷引用:四川省泸州市泸县第五中学2019-2020学年高三上学期期末考试数学(理)试题
名校
7 . 过抛物线
焦点
的直线与双曲线
的一条渐近线平行,并交抛物线于
两点,若
且
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae741849abf0ade0a27ac2aa48e480b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fb7918bf651496447bea8d2581f6193.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79f09521f83d92b5f6942d56c37a0128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.8 | B.![]() | C.![]() | D.4 |
您最近一年使用:0次
2019-05-31更新
|
892次组卷
|
4卷引用:2020届四川省宜宾市叙州区第一中学校高三上学期期末数学(理)试题
8 . AB为过抛物线
焦点F的一条弦,设
,
,以下结论正确的是______ ,
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13b01ab41a4b8e68995791d81ab651c0.png)
的最小值为4
以AF为直径的圆与x轴相切.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33da78dbbd844280e43e7f4a1ae70fab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db444620748560d5b3e90cead81dc4ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a523345916a439fca79a5d56e3014b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff329531e427911df3e39e70c730b9a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13b01ab41a4b8e68995791d81ab651c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9e8f9c6c2f38f908899068d25c2d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82e415812cca9545611c0faa0c01b1c.png)
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名校
解题方法
9 . 动点P到定点F(0,1)的距离比它到直线
的距离小1,设动点P的轨迹为曲线C,过点F的直线交曲线C于A、B两个不同的点,过点A、B分别作曲线C的切线,且二者相交于点M.
(1)求曲线C的方程;
(2)求证:
;
(3)求△ ABM的面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d0aa9412dd7caf42cc71520e282328.png)
(1)求曲线C的方程;
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/293c86ee9157aed6ea7e418de34f0e9d.png)
(3)求△ ABM的面积的最小值.
您最近一年使用:0次
2018-01-12更新
|
1208次组卷
|
7卷引用:四川省宜宾市叙州区第二中学校2024届高三上学期期末数学(理)试题
四川省宜宾市叙州区第二中学校2024届高三上学期期末数学(理)试题四川省宜宾市叙州区第二中学校2024届高三上学期期末数学(文)试题湖北省襄阳市2018届高三1月调研统一测试数学(文)试题(已下线)《2018届优生-百日闯关系列》数学专题三 第三关 以解析几何中与抛物线相关的综合问题湖北省襄阳市2018届高三1月调研统一测试数学(理)试题湖北省黄冈中学2022届高三下学期二模数学试题湖北省黄冈市重点中学2022届高三下学期5月二模数学试题
2014·吉林长春·一模
10 . 过抛物线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
的焦点
作直线与此抛物线相交于
、
两点,
是坐标原点,当
时,直线
的斜率的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae70fa7eb8686218169da31b0c90bc74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b43aac0d14223be1e2246e57107611d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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