名校
1 . 抛物线
绕其顶点逆时针旋转
之后,得到抛物线
,其准线方程为
,则拋物线
的焦点坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c156c3b344e637b4f86404f2711940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc7f86c01dc112967f375c7fb116aa60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/856617a253b7e9349516cf591a184b83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
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2 . 若抛物线
的焦点是椭圆
的一个顶点,则
的值为____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d12ebd10f6c0bcf98be52c32b107f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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名校
解题方法
3 . 已知双曲线
:
(
,
)的一个焦点与抛物线
:
(
)的焦点
重合,它们的一个公共点为
.若
的准线与
轴的交点为
,且
,
,则
的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.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/58c43992f9a7bcb73cf5468cd00c31c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0a0328dde917c3e6d0f1ca9ddb6027b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
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2024·全国·模拟预测
4 . 设抛物线
的焦点为
,过点
的直线与
相交于
,
两点,
,则直线
的方程为______ ,
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c42d88e496a17562d25195301e0ac2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be92f0e0012a7696c78e3e00513edefd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65368687df4d7e3b9304e85ec4de354c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/77d1ba10adcb84eafe3a6677c76064e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004104bafb5f30338123d4ea2b7fedde.png)
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5 . 已知抛物线
的焦点为
,准线方程为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
__________ ;设
为原点,点
在抛物线上,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14bd426e7e1e65d91394da0b28d49f65.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c2f156b05838deaae6a35acad242af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eefa44964db83759aff6fc8dd7ef8f28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22962a2ad892cb6b14ab039a06e8cdc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b4c1c7fa5884b512da4c8475c07636.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14bd426e7e1e65d91394da0b28d49f65.png)
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名校
解题方法
6 . 应用抛物线和双曲线的光学性质,可以设计制造反射式天文望远镜,这种望远镜的特点是,镜铜可以很短而观察天体运动又很清楚.某天文仪器厂设计制造的一种反射式望远镜,其光学系统的原理如图(中心截口示意图)所示.其中,一个反射镜
弧所在的曲线为抛物线,另一个反射镜
弧所在的曲线为双曲线一个分支.已知
是双曲线的两个焦点,其中
同时又是抛物线的焦点,且,
的面积为10,
,则抛物线方程为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/166614adaa6403cbd86ccf185e76fe8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a3e7f96081bcc861028bd2f5a898663.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dc9dd082b268de562c6534296a7f84c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ed9d829d7179e8ff05814c93e047eb5.png)
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2024-03-31更新
|
1693次组卷
|
3卷引用:浙江省9+1联盟2023-2024学年高三下学期3月高考模拟数学试卷
名校
7 . 抛物线
的准线方程为
,则实数a的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad4873f1c244d11b57effa0b28e7252.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
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2024-03-27更新
|
1498次组卷
|
6卷引用:河南省郑州市2024届高三第二次质量预测数学试题
名校
8 . 若抛物线的焦点到它的准线距离为1,则实数m=
您最近一年使用:0次
2024-03-14更新
|
757次组卷
|
3卷引用:上海市上海师范大学附属中学2023-2024学年高三下学期3月月考数学试卷
9 . 如图,抛物线的顶点在原点,圆
的圆心恰是抛物线的焦点.过抛物线焦点直线,交抛物线于
、
四点,
,则AB的方程为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8b82c3595016ee341c6be2a9e71f795.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/1b8c9846bb6e861eddb038fa877d09ca.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/18/0e8db75f-0c15-4206-ada9-20f147e14f1b.png?resizew=118)
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名校
10 . 抛物线的准线方程是
,则其标准方程是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d0aa9412dd7caf42cc71520e282328.png)
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