已知抛物线
的焦点为
,过点
的直线
在
轴上方与抛物线
相交于
两点,若
,则点
到抛物线
的准线的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e8e445500f8a9de2c8ead8b2f24b1fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a4b3bddd48155c1e3eec7a8aea61588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.2 | D.3 |
2024·全国·模拟预测 查看更多[1]
(已下线)2024年普通高等学校招生全国统一考试数学理科预测卷(六)
更新时间:2024-01-11 13:13:22
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【推荐1】已知三角形的三个顶点坐标为:
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【推荐2】瑞士数学家欧拉在《三角形的几何学》一书中提出:任意三角形的外心、重心、垂心在同一条直线上.这条直线被称为欧拉线.已知
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【推荐1】已知过抛物线
的焦点F且倾斜角为
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【推荐2】过抛物线
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【推荐1】已知点A,B在抛物线
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【推荐2】如果抛物线
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【推荐1】已知抛物线
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【推荐2】抛物线
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