名校
解题方法
1 . 在平面直角坐标系
中,圆
经过点
和点
,与
轴正半轴相交于点
.若在第一象限内的圆弧
上存在点
,使
,则圆
的标准方程为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b62194097ac66a5093c57fca2f5b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c84818cfbd9a885081cb4e3294eabe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f85eb14befba8189719fb042225bccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2024-05-29更新
|
539次组卷
|
2卷引用:湖南省2024届高考数学临门押题考试试卷
名校
解题方法
2 . 设A为直线
上一点,P,Q分别在圆
与圆
上运动,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/512f4c29ff276b7f35052ad4cc255ab5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ffb9c3d9f28adea4a5dc2403c5ae511.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c46e97c58e016b3019e1c9b371ee964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e7de8a466456c99db8de14adb4ca99c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
3 . 如图1所示,为曲杆道闸车库出入口对出人车辆作“放行”或“阻拦”管制的工具.它由转动杆
与横杆
组成,
为横杆的两个端点.在道闸抬起的过程中,横杆
始终保持水平.如图2所示,以点
为原点,水平方向为
轴正方向建立平面直角坐标系.若点
距水平地面的高度为1米,转动杆
的长度为1.6米,横杆
的长度为2米,
绕点
在与水平面垂直的平面内转动,与水平方向所成的角
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49cbbf0efc7ec76c6596103068350ba7.png)
A.则点![]() ![]() ![]() |
B.则点![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() ![]() |
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解题方法
4 . 已知圆
关于直线l对称的圆为圆
,则直线l的方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bf7d969ee6f3131219a0ae5d40e971e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd8407963d4114a4433b7a642f852197.png)
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名校
解题方法
5 . 过圆
和
的交点,且圆心在直线
上的圆的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81cee0c8a42cbd339efb9c37ba028655.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d35465f3e40ce00a1dce54b943ae183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35dd2b23130371b570ed71f8a6e23311.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
6 . 已知点
是圆
上的两点,若
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3a1467ecf286e3cadaf5aa006606f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54329a84abb204cecb237b2bf2ff2bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f788fb0059b7356dc6c7811f46057e66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3109dd281bf47a57bbfe18d9297ee2.png)
A.16 | B.12 | C.8 | D.4 |
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2024-04-06更新
|
575次组卷
|
2卷引用:湖南省岳阳市2024届高三下学期教学质量监测(二)数学试题
7 . 已知动直线
与圆
恒有两个不同的交点
、
.设弦
的中点为
,当
变化时,总存在定点
使得
为定值,则点
的坐标______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0792930a8804925c219b70767cb41876.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fb6e9693f41a982230a768aab99df9e.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87acbf42ed0491d2203673fa53df1d98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
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8 . 如图,已知
是圆
的弦,
为
的中点,且
在弦
上的射影为
,则
,该定理称为阿基米德折弦定理.在上述定理中,若已知
,
,点
在直线
下方,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
,则过点
的圆的方程为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374fe9986ebbc986fc422e514ab93a51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e91ab9a7ef3ecc7ca88a7f2fe4abb688.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0ff808cf596294204a404d0a34f3e3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6db5080bbcf65607bfba31b7f560b323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d14cd46db17d64f86660b987402503a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ba793283da4a8942777027c49ac757.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a83dead62a34a5393d67ed69c23dd036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28e111bfa9ab7295f9689451da535ba.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/33090614-0603-4f70-8713-dd47b8686c33.png?resizew=163)
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2024-02-14更新
|
132次组卷
|
2卷引用:湖南省衡阳市衡阳县2023-2024学年高二上学期1月期末考试数学试题
9 . 已知倾斜角为
的直线
过点
,动点
在直线
上,
为坐标原点,动点
满足
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5fa72f2878b476bc57f0df12d6555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241ce9bd28046ce9b90f43b391132884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3db49a570d24ff840f3f595e8fbe7817.png)
A.直线![]() ![]() |
B.动点![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
10 . 已知四边形的三个顶点
,
,
.
(1)求过A,B,C三点的圆的方程.
(2)设线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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2024-01-25更新
|
66次组卷
|
2卷引用:湖南省部分学校2023-2024学年高二上学期期末联合考试数学试题