已知三角形的三个顶点
,求:
(1)
边所在的直线方程;
(2)
边上中线所在的直线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3185a912299cd7d3a118a0a028127558.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
19-20高二·全国·课后作业 查看更多[2]
(已下线)【新教材精创】2.2.2+直线的两点式方程(导学案)-人教A版高中数学选择性必修第一册(已下线)第06讲 直线的方程(3大考点10种解题方法)-2022-2023学年高二数学考试满分全攻略(人教A版2019选择性必修第一册)
更新时间:2020-09-22 22:51:22
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【知识点】 直线两点式方程及辨析
相似题推荐
解答题-问答题
|
较易
(0.85)
解题方法
【推荐1】在平面直角坐标系
中,已知
的顶点
,边
边上的中线
所在直线方程为
,边
上的高
所在直线方程为
.
(1)求
边在直线的方程;
(2)求顶点
坐标;
(3)求
边所在的直线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab47bf43b2c5d6395129b80ddfbb1b24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2297db3c14c256b9691fbb8e5bba978.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/044cfca7b534fa44075ded7f1a6aa038.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)求顶点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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解答题-问答题
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较易
(0.85)
名校
【推荐2】已知
、
、
三点.
(1)求经过点
且与
平行的直线
的点方向式方程;
(2)求经过点
且与
垂直的直线
的斜截式方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/577f34450607debe6186e7e1c523e43e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/879472805d78656a200ef4ae2ca1ac77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d97e3acb6aec0df299f7bae5ce1ba3.png)
(1)求经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)求经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次