若直线
与直线
垂直,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a656adfbf94aafea43601e4e0f4179a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa25eb8738e12277bfa058bef602362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.6 | B.4 | C.![]() | D.![]() |
更新时间:2022-01-16 16:03:53
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【知识点】 已知直线垂直求参数
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【推荐1】已知
是抛物线
上一点,
是焦点,
是
上一点,且
则
的纵坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f943121691740928470268b34781e06.png)
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![](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/d73bb4a2a131df99be3991c7da7a678a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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