1 . 曲线
上动点
与
构成
,若
,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b67d93773ed34cfe79fd47025c9dac1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51296b06e4f0ac74bea949ce2d9faa6a.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2卷引用:浙江省舟山市2023-2024学年高二上学期期末检测数学试题
名校
2 . 过点
作抛物线
的两条切线,切点分别为
,
,作
,
垂直于直线
,垂足分别为
,记
的面积分别为
,则
的最小值为____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/732d1f2442a24cfa7276c6f6e0116afe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bde8a12369d468593dceb7d805ae578.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f043837016a7457a528ee0d815b4ff7.png)
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解题方法
3 . 斜率为1的直线
与曲线
交于
两点,
为
的焦点,
,点
为曲线
上一点,当
的面积取最大值时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dd1f7bf8f93c219c8716df185b66e1c.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1462cc05cacca78992b10e233177ee8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3a1467ecf286e3cadaf5aa006606f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7c6f197767a039e9a9656ee9f69fc7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6345b1df5ab2cfeef8b8dffed612c536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a11cb104b04c4e6a1be700e81da279a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dd1f7bf8f93c219c8716df185b66e1c.png)
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2023-01-01更新
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2卷引用:四川省资阳中学2022-2023学年高二下学期三月月考数学(文科)试题
4 . 请在下面两题中选择一题作答:
题
设点
是抛物线
与双曲线
在第一象限的唯一公共点,点
,
分别是
的准线与
的两条渐近线的交点,则
的面积为__________ .
题
已知球的体积
和表面积
均是球半径
的函数,分别记为
,
若球
的半径
满足
,点
到球心
的距离为
,过点
作平面
,则平面
截球
所得截面圆的面积的最小值为__________ .
题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47a34029cc0f7665d32694f0837b2f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19cf08f835978859030ed7aceabafc27.png)
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题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/508f5b0a8b1ac58f88d886a850f3ae1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d524e6addf9435f64de5c45423b29b73.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
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5 . 沙丘按照风力作用的方向和形态之间的关系可分为横向沙丘、纵向沙垄和金字塔形沙丘等.抛物线状沙丘(如图1)是横向沙丘的一种,其边缘曲线可看成顶点为原点、焦点为
的抛物线的一部分(如图2),若两个翼角A,B到焦点的距离都为5米,则两翼角
的长为______ 米.
![](https://img.xkw.com/dksih/QBM/2022/1/20/2898374463053824/2899264649273344/STEM/0c9b0412-b4d2-4570-a0d0-2a2ae88b84dc.png?resizew=145)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2a5e336b6bcba6354fd366c892dd06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
![](https://img.xkw.com/dksih/QBM/2022/1/20/2898374463053824/2899264649273344/STEM/0c9b0412-b4d2-4570-a0d0-2a2ae88b84dc.png?resizew=145)
![](https://img.xkw.com/dksih/QBM/2022/1/20/2898374463053824/2899264649273344/STEM/0a67e9ef-fbb6-4687-8bcf-873dcde52d76.png?resizew=147)
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2022-01-21更新
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3卷引用:广东省肇庆市2021-2022学年高二上学期期末数学试题
6 . 焦点为
的抛物线
与圆
交于
、
两点,其中
点横坐标为
,方程
的曲线记为
,
是圆
与
轴的交点,
是坐标原点.有下面的四个命题,请选出所有正确的命题:_________ .①对于给定的角
,存在
,使得圆弧
所对的圆心角
;②对于给定的角
,存在
,使得圆弧
所对的圆心角
;③对于任意
,该曲线有且仅有一个内接正△
;④当
时,存在面积大于2021的内接正△
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac8a3bffe545af2299cf999d44767206.png)
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7卷引用:3.3 抛物线(难点)(课堂培优)-2021-2022学年高二数学课后培优练(苏教版2019选择性必修第一册)
(已下线)3.3 抛物线(难点)(课堂培优)-2021-2022学年高二数学课后培优练(苏教版2019选择性必修第一册)(已下线)3.3.2 抛物线的几何性质(课堂培优)-2021-2022学年高二数学课后培优练(苏教版2019选择性必修第一册)上海市交通大学附属中学2021届高三最后模拟数学试题(已下线)考点43 直线与圆锥曲线的位置关系-备战2022年高考数学(理)一轮复习考点帮(已下线)考向26 圆与方程-备战2022年高考数学一轮复习考点微专题(上海专用)(已下线)专题19 圆锥曲线 (模拟练)-1(已下线)第13讲 抛物线(9大考点)(2)