名校
1 . 已知抛物线
的准线
与
轴的交点为
,抛物线
的焦点为
,过点
的直线与抛物线
交于
两点,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b029ff1ec707abd0d2a14b9a3d4c2082.png)
________ ;若
的中点到准线
的距离为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3a1467ecf286e3cadaf5aa006606f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ce4a3767df82ac37ba59a5e11b3b1a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b029ff1ec707abd0d2a14b9a3d4c2082.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c6c4a684e08d7a47b544929c449c054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
您最近一年使用:0次
2022-08-13更新
|
680次组卷
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4卷引用:湖北省腾云联盟2022-2023学年高三上学期8月联考数学试题
名校
2 . 已知抛物线
:
恰好经过圆
:
的圆心,则抛物线C的焦点坐标为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab8db2bf7662183c75732ea7c4fb60f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c79d792674597a06e96c8a748654e80d.png)
您最近一年使用:0次
2022-02-26更新
|
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6卷引用:湖北省华大新高考联盟2022届高三下学期开学收心考试数学试题
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3 . 如图,吊车梁的鱼腹部分
是抛物线的一段,宽
,高
,根据图中的坐标系,可得这条抛物线的准线方程为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ea92883fe24b097c9a881ef8c92eb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17b514ca29d7d7df3ccc349e7e93e5fc.png)
![](https://img.xkw.com/dksih/QBM/2022/1/5/2874235557658624/2892838529802240/STEM/3b333535-40fe-4995-984c-5a8e67bf1ea1.png?resizew=315)
您最近一年使用:0次
2022-01-12更新
|
199次组卷
|
4卷引用:湖北省孝感市安陆市第一高级中学2021-2022学年高二下学期开学考试数学试题