名校
解题方法
1 . 已知抛物线C的方程为:
,点
(1)若直线
与抛物线C相交于A、B两点,且P为线段AB的中点,求直线
的方程.
(2)若直线
过
交抛物线C于M,N两点,F为抛物线C的焦点,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac62b1ade07205ae2693ec1ab135def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f902ed430056560024f937ba4b8a763.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0e8708ac4b5be5691d11125b337b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b644a3f89562ace96eaf660a4bd37b.png)
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2022-01-25更新
|
532次组卷
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3卷引用:湖北省部分省级示范高中2021-2022学年高二上学期期末联考数学试题
解题方法
2 . 已知抛物线
,其通径为4.
(1)求抛物线的标准方程;
(2)过抛物线焦点F作直线l,使得直线l与抛物线交于P、Q两点,且满足弦长
,求直线l的斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
(1)求抛物线的标准方程;
(2)过抛物线焦点F作直线l,使得直线l与抛物线交于P、Q两点,且满足弦长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1d2fa0ea5a59f2a097562e6f454127d.png)
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3 . 已知抛物线
与过点
的直线
相交于
、
两点,点
为坐标原点.
(1)求
的值;
(2)若△
的面积等于
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d4872a20fc392c0e368aa3bfe3d8037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6554ac3dff4a59833e407db887f6e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7a2ef115b3e4d764e54e8b29e33b036.png)
(2)若△
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd72ee6ae527cd10405540b75979d95c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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21-22高二·江苏·单元测试
4 . 已知抛物线C:
的焦点为F,过F的直线l与抛物线C交于A,B两点,线段AB长的最小值为4.
(1)求抛物线C的方程.
(2)在抛物线C上是否存在点M,使得
是以M为直角顶点的等腰直角三角形,且其面积为16?若存在,求出点M的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8516f71467b419293fa27df70bdaed74.png)
(1)求抛物线C的方程.
(2)在抛物线C上是否存在点M,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a5e0a51c9e14fb246b0ba0b231c1e3.png)
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21-22高二·江苏·单元测试
5 . 已知抛物线C:
的焦点为F,直线l:
交抛物线C于
两点,P是线段AB的中点,过作x轴的垂线交抛物线C于点Q.
![](https://img.xkw.com/dksih/QBM/2022/1/2/2885856369156096/2886642561818624/STEM/bcaebb7a-c022-472c-b3d8-fff13d6bc56e.png?resizew=203)
(1)若
,且
,求直线l的方程;
(2)若
,且
,求抛物线C的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9de36529148d5e73cc4ff68b8f5e3fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02ebce8b2a915356ed39f36c5bad2ebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://img.xkw.com/dksih/QBM/2022/1/2/2885856369156096/2886642561818624/STEM/bcaebb7a-c022-472c-b3d8-fff13d6bc56e.png?resizew=203)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0403fda65c75cabd08c088ac38395d1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25ac595a24ed4459c71303e8273c7c43.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e69866076dcff686a05e9e91e61e68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4021a6a6fff938323b06fd71c50c8930.png)
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21-22高二·江苏·单元测试
6 . 如图,已知抛物线
,过它的焦点F的直线
与其相交于A,B两点,O为坐标原点.
![](https://img.xkw.com/dksih/QBM/2022/1/2/2885857544642560/2886582995804160/STEM/7d85a231a1f540fe8d5e4996ccbbc141.png?resizew=194)
(1)若抛物线过点
,求它的方程;
(2)在(1)的条件下,若直线
的斜率为1,求
的面积;
(3)
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://img.xkw.com/dksih/QBM/2022/1/2/2885857544642560/2886582995804160/STEM/7d85a231a1f540fe8d5e4996ccbbc141.png?resizew=194)
(1)若抛物线过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f114df5ceabdb7e5fd3fdad4eaf056.png)
(2)在(1)的条件下,若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d89f0127f43c56777566f10fa5be3b2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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名校
解题方法
7 . 已知抛物线
上三点
,
,
构成直角三角形,
,
.
![](https://img.xkw.com/dksih/QBM/2021/12/17/2874309346967552/2877890284027904/STEM/7c13d759-0fd0-49e2-9a89-aab47d0debbd.png?resizew=107)
(1)若点
在第四象限,且
、
中点的纵坐标为
,求
;
(2)若
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b527ec9f92467b8f24554a2a67ee987.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/635c0e8cd497fd3d766fede583f2e320.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c78b8c8353ed5d9144e451c56afa9607.png)
![](https://img.xkw.com/dksih/QBM/2021/12/17/2874309346967552/2877890284027904/STEM/7c13d759-0fd0-49e2-9a89-aab47d0debbd.png?resizew=107)
(1)若点
![](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/0cf3f23bfec394769b4670962b219999.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaff41080fdea43eea7efedf9ebc1498.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b9a5289a9bac56cc3befbf14419b205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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2021-12-22更新
|
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3卷引用:重庆市第八中学2021-2022学年高二上学期第二次月考数学试题
名校
8 . 已知抛物线C的焦点为
,N为抛物线上一点,
且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb1b5afd36d89454792f95898a68a413.png)
(1)求抛物线C的方程;
(2)过点F且斜率为k的直线l与C交于A,B两点,
,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34b42f890672053104a3f75f63a90c17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51e30de01f0cf19e1976d37c83f799bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb1b5afd36d89454792f95898a68a413.png)
(1)求抛物线C的方程;
(2)过点F且斜率为k的直线l与C交于A,B两点,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ed9d97b8745ed1c15349ea3fffc299.png)
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|
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7卷引用:黑龙江省哈尔滨市道里区第三中学校2020-2021学年高三上学期期末数学试题
黑龙江省哈尔滨市道里区第三中学校2020-2021学年高三上学期期末数学试题(已下线)专题2.10 圆锥曲线-抛物线-2021年高考数学解答题挑战满分专项训练(新高考地区专用)陕西省咸阳市武功县普集高中2021-2022学年高二上学期第三次月考理科数学试题(已下线)2020年高考全国2数学文高考真题变式题21-23题(已下线)数学-2022届高三下学期开学摸底考试卷C(文科)(新课标专用)内蒙古乌兰察布市2021-2022学年高二上学期期末考试数学(理)试题云南省昭通市衡水实验中学2021-2022学年高二上学期期末数学(B卷)试题
名校
解题方法
9 . 已知
与抛物线
交于
两点.
(1)若
,求实数
的值;
(2)若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54479885d4ab2f717d2e97718da04b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac62b1ade07205ae2693ec1ab135def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c348601813d70ba64ffca73cf2256f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
解题方法
10 . 已知抛物线
:
的焦点为
,过点
的直线
与
相交于
两点
(1)若直线
的斜率为1,求
;
(2)若
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](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/a0ed1ec316bc54c37c4286c208f55667.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a9a49dc8499d6c3b73d633e20b9757.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2021-12-11更新
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728次组卷
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2卷引用:山东省潍坊市2021-2022学年高二上学期高中学科核心素养测评数学试题