在平面内,已知定点
及定直线
,记动点
到
的距离为
,则“
”是“点
的轨迹是以点
为焦点,直线
为准线的抛物线”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20f7aa41ac16f8116e85341e3f98e248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.充要条件 | B.充分不必要条件 |
C.必要不充分条件 | D.既不充分也不必要条件 |
22-23高二上·辽宁鞍山·期末 查看更多[2]
辽宁省五校(鞍山一中、大连二十四中等)2022-2023学年高二上学期期末考试数学试题(已下线)专题13 抛物线的标准方程5种常见考法归类-【考点通关】2023-2024学年高二数学高频考点与解题策略(苏教版2019选择性必修第一册)
更新时间:2023-03-17 14:51:07
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