已知圆
,点
是坐标原点,
是圆
上一动点.
(1)求线段
的中点
的轨迹方程;
(2)设
是 (1) 中轨迹上一点,求
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17a36b5baf95403cacd9a29fcb5ca020.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/174861299cb1b64e5304c25c70eb216f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c86665035c014b3c120f144c22d9f387.png)
22-23高二上·四川南充·期中 查看更多[3]
四川省南充市南充高级中学2022-2023学年高二上学期期中数学试题四川省南充市南充高级中学2022-2023学年高二上学期期中考试数学文科试题(已下线)模块一 专题3《直线和圆》单元检测篇 B提升卷 期末终极研习室(高二人教A版)
更新时间:2022-11-23 01:02:07
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【推荐1】在平面直角坐标系中,已知
,
,动点
满足
记
的轨迹为
.
(1)求
的方程:
(2)设直线
与
相交于
、
两点,且
的中点
,求
为坐标原点).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcaef841d73fd56cba77c757581c2288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6770e125955afd4ae989944e26996cbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ff7e0ef1f622120cc1b18e9d3e80ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b37f85aa02ed7ddb49883da63e47f1f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8943b3e205580de23ef2cef9e273097.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/910ba4717ec7f936c3ed6a4808200258.png)
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【推荐2】已知点
,
,动点
满足
.
(1)求动点
的轨迹方程![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ca6fa9955690cec01db601e3abce0c.png)
(2)一条光线从点
射出,经
轴反射与动点
的轨迹交于
,
两点,其中
,求反射光线所在直线的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66b8c639c851e0044ee22020324c5570.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be8fb59da24f78d282c87ed75d033dac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e22bf25415a1256e42b63ced8a595ea6.png)
(1)求动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ca6fa9955690cec01db601e3abce0c.png)
(2)一条光线从点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cb3ad4cdab87c15b308fd04db6e712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6c4ca85837dcaf856cc6cf198d8b4ea.png)
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【推荐1】已知
为圆
:
上任意一点,且点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57dfe417634b180aee771d378bd1984.png)
(1)求
的最大值和最小值;
(2)过
作圆的切线,求切线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/921d268c12d82592b37741cae29beff2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57dfe417634b180aee771d378bd1984.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42f5f84bb4f9afb24700b2819b499ea5.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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【推荐2】已知点,点
满足
,且
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1b3031d7393a63719166285314d73f.png)
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【推荐1】动点
到两坐标轴距离之积为常数
的轨迹方程是
吗?为什么?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fa591ac00281f1eea7543a469fd427c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b0525526a890c7d3322b8fc1e62e896.png)
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【推荐2】在直角坐标系
中,线段
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
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