判断
三点是否共线,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87283dcbecda020d515790598549a00.png)
21-22高二·全国·课后作业 查看更多[7]
(已下线)第二章 平面解析几何 2.2 直线及其方程 2.2.4 点到直线的距离(已下线)第08讲 直线的倾斜角与斜率(2)(已下线)第08讲 直线的倾斜角与斜率-2022年暑假高一升高二数学衔接知识自学讲义(人教A版2019)(已下线)第13讲 两条直线平行和垂直的判定3种常见考法归类-【暑假自学课】2023年新高二数学暑假精品课(人教A版2019选择性必修第一册)(已下线)第02讲 2.1.2两条直线平行和垂直的判定(5 类热点题型讲练)-【帮课堂】2023-2024学年高二数学同步学与练(人教A版2019选择性必修第一册)第5课时 课前 两条直线的平行人教B版(2019)选择性必修第一册课本习题习题2-2
更新时间:2022-03-01 10:19:49
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容易
(0.94)
【推荐1】在△ABC中,B(-3,0),C(3,0),直线AB,AC的斜率之积为
求顶点A的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998cd7954b719aa79b8af35206be75c6.png)
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解答题-问答题
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容易
(0.94)
【推荐2】判断下列三点是否在同一条直线上:
(1)
,
,
;
(2)
,
,
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a313aad754ec60578a3a2db2f5afc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b921f6fb59ef250c6f1d1fb535a65e53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e1efa25d0f66c8738678bbbca6ad85c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9ba3a47b1a7fab9a40224ef060b8871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1add9e04cf982cff47dc9035078c0998.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e267f9bbf5ec761584f194f4fdabaac.png)
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解答题-问答题
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(0.94)
【推荐1】判断下列各组直线
与
是否相交.若相交,求出它们的交点.
(1)
,
;
(2)
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0deec1a1c1196531b07a9f4192f0861b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52b6f4a42bfbcd5dac0d5bc973b49b94.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/363f1941cd6b6e52051f010071464d15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd5131f85c27bca0e2ad6d804b48820.png)
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【推荐2】判断下列不同的直线
与
是否平行.
(1)
的斜率为2,
经过
,
两点;
(2)
经过
,
两点,
平行于x轴,但不经过P,Q两点;
(3)
经过
,
两点,
经过
,
两点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
(1)
![](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/115a0c87ac14dbb770c95d74d6e26073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1de9dca01064b9578f28be610bb341e4.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/847fea08d7cb36942bd5028b2cb7707e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb011aff689ceb89f971ffa8225e050d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1cf8af6e62058cc4e2d83d5da7f4c68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a99dc6ce3260c64b36de1475cf7cb16a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7b60cc1a200b65a732612d9bc6750c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eabe93b696deb896cb28cfbc5b72e051.png)
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