已知抛物线
:
的焦点为
,点
在
上,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1aeedf13cd06de69717474598ec6fe1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82c6f0edfbd13616d08bd3380b8f41e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac654a052f98d1ccb7fede1f122cec3.png)
A.![]() | B.![]() | C.6 | D.7 |
23-24高二上·陕西·期中 查看更多[2]
陕西省学林高中系列联考2023-2024学年高二上学期11月期中考试数学试题(已下线)3.3.1 抛物线及其标准方程(重难点突破)-【冲刺满分】2023-2024学年高二数学重难点突破+分层训练同步精讲练(人教A版2019选择性必修第一册)
更新时间:2023-11-21 12:01:08
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【推荐1】已知抛物线
上的点
到焦点的距离为6,则
到
轴的距离是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c1ba86ffc6e5542b62319848c14acaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
A.2 | B.4 | C.6 | D.8 |
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【推荐2】已知抛物线
的焦点为F,P为抛物线C上任意一点,若
,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64447af8454c613a58b11d9274d3da2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b60ab6b00eb46008e7a3051058b0ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44397211d1486df32b56d8d213695170.png)
A.6 | B.![]() | C.![]() | D.![]() |
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【推荐1】已知抛物线
的焦点为
,点
在
上,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c1ba86ffc6e5542b62319848c14acaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e353072777cda62003016796991e01c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192f8baaed0a7184c7b196f89c6e81ec.png)
A.5 | B.4 | C.3 | D.2 |
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【推荐2】设抛物线
的焦点为F,点A是抛物线C的准线与x轴的交点,若抛物线C上的点M满足
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d281782312f3417e09a5ff501f811073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dd1f7bf8f93c219c8716df185b66e1c.png)
A.![]() | B.2 | C.![]() | D.4 |
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