完成下面问题:
(1)求直线
分别在
轴,
轴上的截距;
(2)求平行于直线
,且与它的距离为
的直线的方程;
(3)已知两点
,
,求线段
的垂直平分线的方程.
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/110adca0874709aa704aeb65f9831cac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(2)求平行于直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23fc11a3a7592c68b20f93bdde2ed3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
(3)已知两点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34248c485508a901a55d2bb09c5017ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd6c4729d3df7b6efc7f3abed0f4aa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
16-17高二上·天津红桥·期中 查看更多[4]
天津市红桥区2016-2017学年高二上学期期中文科数学试题(已下线)1.2 直线的方程(2)(已下线)第二章 直线和圆的方程(A卷·知识通关练) (1)(已下线)突破2.2 直线的方程(重难点突破)-【新教材优创】突破满分数学之2022-2023学年高二数学重难点突破+课时训练 (人教A版2019选择性必修第一册)
更新时间:2022-04-24 16:39:09
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相似题推荐
解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】设直线
的方程为
.
(1)若
在两坐标轴上的截距相等,求
的一般式方程;
(2)若
与
轴正半轴的交点为
,与
轴负半轴的交点为
,求
为坐标原点)面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be40628c77ae9388634baca67bf9d044.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4d5109e5afb2b9174a55dbe887359f2.png)
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【推荐2】已知圆
,过圆上一点
作直线
分别与圆交于
两点,设直线
的斜率为
.
(1)若圆
的切线
在
轴和
轴上的截距相等,求切线
方程;
(2)若
,求证:直线
恒过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e87945cb5a0766b4b738ec10b4bf0683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f40d5459e1385ab7d829ea96ca0b946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90963760acac7bfad3ae03088c6c80b0.png)
(1)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae3ab048431fdc75f9a2eef2a762f37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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解答题-问答题
|
适中
(0.65)
名校
【推荐1】根据下列条件,求直线的方程
(1) 求与直线3x+4y+1=0平行,且过点(1,2)的直线l的方程.
(2) 过两直线3x-2y+1=0和x+3y+4=0的交点,且垂直于直线x+3y+4=0.
(1) 求与直线3x+4y+1=0平行,且过点(1,2)的直线l的方程.
(2) 过两直线3x-2y+1=0和x+3y+4=0的交点,且垂直于直线x+3y+4=0.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐2】已知点
和直线
.
(1)求过点
与直线
平行的直线
的方程;
(2)求过
的中点与
垂直的直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/937d4812632c236b0ac771db02a12e83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f6ef25fb9949607b3e25fb1b8fa426.png)
(1)求过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
(2)求过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
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【推荐1】在①直线过定点
,②直线平行于直线
,③直线垂直于直线
这三个条件中任选一个,补充在下面问题中,并求解该问题.
问题:已知两条直线
与
的交点P,求同时满足下列条件的直线方程:(1)直线过点P,(2)______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b62194097ac66a5093c57fca2f5b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7722cff89db33455cc42ab7b7571f7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7722cff89db33455cc42ab7b7571f7a.png)
问题:已知两条直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21b48a99b6c3582a0e62e164430e81e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07a0d5cc024f4f8c628ff50a6a190a83.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】 已知直线
经过直线
与直线
的交点
, 且垂直于直线
.
(1)求直线
的方程;
(2)求直线
与两坐标轴围成的三角形的面积
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://img.xkw.com/dksih/QBM/2015/3/17/1572009000329216/1572009006145536/STEM/a1fbdb5275a74154abe845adc722c34e.png)
![](https://img.xkw.com/dksih/QBM/2015/3/17/1572009000329216/1572009006145536/STEM/78a474b6002d4b6fa9ea25f3179625d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/2015/3/17/1572009000329216/1572009006145536/STEM/8d4df4eb3cf94926b9ac6a7ad670d779.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
您最近一年使用:0次