名校
解题方法
1 . 某同学在研究函数
的性质时,联想到两点间的距离公式,从而将函数变形为
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42390b9151b237a0e3e94d3f51bde62f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/848fa3738bd6ed4a8f9691ffc2e6322b.png)
A.函数![]() ![]() ![]() |
B.函数![]() ![]() |
C.存在实数![]() ![]() ![]() |
D.方程![]() |
您最近一年使用:0次
2020-07-24更新
|
1740次组卷
|
9卷引用:江苏省南通市通州区2019-2020学年高一下学期期末数学试题
江苏省南通市通州区2019-2020学年高一下学期期末数学试题江西省抚州市三校(广昌一中、南丰一中、金溪一中)2022-2023学年高一下学期第二次月考数学试题(已下线)黄金卷17-【赢在高考·黄金20卷】备战2021高考数学全真模拟卷(新高考专用)(已下线)重组卷02-冲刺2021年高考数学之精选真题+模拟重组卷(新高考地区专用)广东省深圳明德实验学校2021届高三上学期12月月考数学试题福建省龙岩第一中学2021-2022学年高二上学期第一次月考数学试题(已下线)第11讲 两点间的距离公式-【帮课堂】黑龙江省饶河县高级中学2022-2023学年高二上学期第一次月考数学试题福建省福清西山学校2023-2024学年高二上学期9月月考数学试题
2 . 在平面直角坐标系
中,已知以
为圆心的圆
及其上一点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/13/8180f788-250f-4c73-92eb-dd1c1fe2df27.png?resizew=233)
(1)设圆
与
轴相切,与圆
外切,且圆心
在直线
上,求圆
的方程;
(2)设垂直于
的直线
与圆
相交于
两点,且
,求直线
的方程;
(3)设点
满足:存在圆
上的两点
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/770a206d9237c3d804d8a43975fd57a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25059a7a9c09947e44aa1f957dc79ba5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/13/8180f788-250f-4c73-92eb-dd1c1fe2df27.png?resizew=233)
(1)设圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ca4938a9ac76c4d178ff07452d3c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(2)设垂直于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/393f2326b1f38aabebe74b6b8f83c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/211a1579599243bdcce6fa2a41fe3cb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432977d5d3d37cd9a8594fb859adbc03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
名校
解题方法
3 . 已知圆
,圆
,定点
,动点
,
分别在圆
和圆
上,满足
,则线段
的取值范围_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9edf67c2e68042e26faefd72455386c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a3ef6da64080039ca5541c7d6b23d49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c9dcfd9f4c5298035870cb88a34169.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db9fd618a94a5fab5521d10166c302bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/2020/4/13/2440491633590272/2440573049126912/STEM/d131921b1fb643b199ca72d209d14777.png?resizew=230)
您最近一年使用:0次
2020-04-13更新
|
687次组卷
|
5卷引用:江苏省南通市启东中学2019-2020学年高一(普通班)下学期期初考试数学试题
江苏省南通市启东中学2019-2020学年高一(普通班)下学期期初考试数学试题江苏省南通市启东中学2019-2020学年高一(创新班)下学期期初考试数学试题江苏省苏州新草桥中学2019-2020学年高一下学期期中数学试题(已下线)2.1 圆的方程-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册)浙江省杭州市2022-2023学年高三上学期期末模拟数学试题
名校
4 . 已知直线
,
,
,记
,
,
.
(1)当
时,求原点关于直线
的对称点坐标;
(2)在
中,求
边上中线长的最小值;
(3)求
面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de36903bd1dd2374067a672895ab1384.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d126dad587630ab6c43b7e5f690e8ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c406dc8871b1b462c3f87c5fdb1efb75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7cfe1cb94907fc05484da20ab55cecb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8e3bb1da15648aec59521975f7fa55c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfd444d1b9fd803e65ef11e03b2a5065.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
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