过抛物线
上一点
作倾斜角互补的两条直线
分别交抛物线于
,
,则直线
的斜率为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbaceef9797592398a19969d407efa66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a225b6550530973e4859ea29765c728a.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/411461db15ee8086332c531e086c40c7.png)
更新时间:2024-02-16 10:14:13
|
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填空题-单空题
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适中
(0.65)
解题方法
【推荐1】如图,已知抛物线
的顶点在坐标原点,焦点在
轴上,且过点
,圆
:
,过圆心
的直线
与抛物线和圆分别交于
,
,
,
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c6155a8a04ffd4c305add626074fea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538a314a50df607633accbe9a2cb5fe4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.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/2080d10bcdd78fc0a9fe15db33c15b1b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/9d795d32-e655-4e9c-8e76-7f0f62266407.png?resizew=191)
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解题方法
【推荐2】焦点为
的抛物线
上有一点
,
为坐标原点,则满足
的点
的坐标为_________ .
![](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/92d4ee5f6ca48ef002d967f35318d13d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb35f49fbaa9f1099b18b2a5c75b6e7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
填空题-单空题
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适中
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解题方法
【推荐1】若
是抛物线
的焦点,点
在抛物线上,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6000f0efbc087ebc6dc6fcab6d8e802c.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d0b2bf92688ac01b788803d27294e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5157587abd70da65660691b488d6765.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6000f0efbc087ebc6dc6fcab6d8e802c.png)
您最近一年使用:0次
【推荐2】已知抛物线
:
的焦点为
,过点
的直线
与
交于
,
两点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52f1023b75ee83619e722acb06d1925.png)
______ ,
的方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac62b1ade07205ae2693ec1ab135def.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/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/55036eed1fad51eb32c59d8c9035e4c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52f1023b75ee83619e722acb06d1925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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名校
【推荐1】过原点的一条直线与圆
:
相切,交焦点为F的拋物线
(
)于点
,若
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bec3303f6e8fceb725c7a40f453a8a6.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48dbfee041fe5ed708925d3839672aa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
您最近一年使用:0次
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(0.65)
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解题方法
【推荐2】设O为坐标原点,P是以F为焦点的抛物线
上任意一点,M是线段PF上的点,且PM=2MF,则直线OM的斜率的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
您最近一年使用:0次