1 . 已知点P是抛物线
上的一个动点,点Q是圆
上的一个动点,点
是一个定点,则
的最小值为______
用数字填写
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661bd8d4d82205bd311e7349ae91f602.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f89ed866f0393164eb899833457e227.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/158a845a23d70448548c59bbf5fada87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71a3b0598542ab015de3d8133c50d5fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
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2019-03-08更新
|
350次组卷
|
4卷引用:天津市红桥区2018-2019学年高二上学期期末数学试题
2 . 已知抛物线
的焦点是F,则焦点F到直线
的距离为______
用数字填写
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661bd8d4d82205bd311e7349ae91f602.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/373c25b2a7bcc31994299eb4b9872c55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
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3 . (A类题)已知
,
是两个不同的平面,
,
是两条不同的直线,给出条件:①
;②
,
;③
,
,
,上述条件中能推出平面
平面
的是__________ (填写序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9dc56e79c42bb90c20ae2c17ec6fb39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675f1e09eb033dab8ef96d1f1c349150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73f345365fe0a1986b80299f7a99a306.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae854eaf0f2d3b326e91de0914d059e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d61d302a8bdfffcc0a0ede8bcf59491d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5475e10ea3f37788e680395999037a00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c448678d3ff980608037d00d94e9bcfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
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