解题方法
1 . 如图所示,正方形ABCD中,在BC上任取一点P(点P不与B、C重合),过点P作AP的垂线PQ交角C的外角平分线于点Q.用坐标法证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03a88c3be043e983e93563872f1b2298.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/12/ee58ccb9-5ef6-4db8-94f4-bd346e24c6a2.png?resizew=181)
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解题方法
2 . 已知直线
,其上一点的纵坐标为1,过这点作已知直线的垂线,求此垂线的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b0afda7ceda41a32094cee93694cb1.png)
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解题方法
3 . 已知直线
和
互相垂直且都过点
,若
过原点
,则
与y轴交点的坐标为()
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a26e951d6d2369e8da79a793a93a66a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1a9821a00b71f6b7d7a76d91b3f810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 已知
,点P满足
,直线
,当点P到直线l的距离最大时,此时m的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e9c11cc36320090d0aaf0c621a63b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6df75e923959672f4b67976d3d461ddb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a98b9d6117e1bbbeadd7cafb13f34f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-01-07更新
|
1974次组卷
|
4卷引用:四川省绵阳市2023届高三第二次诊断性考试数学(文)试题
名校
解题方法
5 . 下列说法正确的是( )
A.直线![]() ![]() |
B.存在![]() ![]() ![]() |
C.对于任意![]() ![]() ![]() |
D.若直线![]() ![]() |
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2022-11-28更新
|
1053次组卷
|
5卷引用:模块六 平面解析几何-1
(已下线)模块六 平面解析几何-1(已下线)专题19 圆的方程-3浙江省2023届高三数学原创预测卷一(全国1卷)江苏省苏州外国语学校2022-2023学年高三上学期第二次阶段测试数学试题湖南省岳阳市岳阳县第一中学2022-2023学年高三下学期入学考试数学试题
6 . 直线
:
如图所示,则
,
的取值范围是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/25/eb1f3862-abff-44ab-858b-d953c65e15e3.png?resizew=111)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57769185d60d5be1b817a8ff1dae6ecd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/25/eb1f3862-abff-44ab-858b-d953c65e15e3.png?resizew=111)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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7 . 设
,
,
,
,若
,那么直线
和直线
的关系是.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed63661762aae5c662fa6a34b0bc1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4f74de1a210b9ad4e7656bf89952f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9d18e9fe18e1c18c7f236652ad0185d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3405f9c8db106f812d5ffb8d7e8de5fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
A.直线![]() ![]() | B.直线![]() ![]() ![]() |
C.直线![]() ![]() | D.直线![]() ![]() ![]() ![]() ![]() |
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8 . 在平面直角坐标系中点
,圆
的圆心在
轴正半轴上,半径为
,且直线
与圆
相切.
(1)求直线
的方程;
(2)求圆
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ccf8d0d1510ea9021014e558fd5263.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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9 . 平面直角坐标系中下列关于直线的几何性质说法中,正确的有( )
A.直线![]() ![]() |
B.直线![]() ![]() |
C.直线![]() |
D.直线![]() ![]() |
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解题方法
10 . 已知
中的三个点在直线
上,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b55054face730018089878568cbb834.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dd89a67127ec08c20ac1b62343094a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c548ef5ad86b7a300495982830f26303.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b55054face730018089878568cbb834.png)
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