名校
1 . 以下四个关于圆锥曲线命题:
①“曲线
为椭圆”的充分不必要条件是“
”;
②若双曲线的离心率
,且与椭圆
有相同的焦点,则该双曲线的渐近线方程为
;
③抛物线
的准线方程为
;
④长为6的线段
的端点
分别在
、
轴上移动,动点
满足
,则动点
的轨迹方程为
.
其中正确命题的序号为_________ .
①“曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/296f6b73bcb1ea61bff5367a9a918613.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07c47599e2a10a7a6747a6d15e12b34b.png)
②若双曲线的离心率
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0276541c12707b24d2f06ea3d976cf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aeab094fbdaf03e9a1549a4ad482d6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6bb019e2d7c6d17d15ec4d9043f5e6.png)
③抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e8ccb340f9dafd01836b1460b967d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de9bb12543a10b43880a0dccbd2bfbd.png)
④长为6的线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ff7e0ef1f622120cc1b18e9d3e80ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851bc0dbf871e8a520f09c4b8fc06079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e4e28d8a9c02bb06f9f67dc897e2451.png)
其中正确命题的序号为
您最近一年使用:0次
2020-04-27更新
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388次组卷
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3卷引用:河北省张家口市第一中学(衔接班)2020-2021学年高二上学期12月月考数学试题