对于任意m、
,直线
必过定点______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3276b5e12396fc4753eb3f8254f9fa68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a4c1302963fe428432e9707a380736e.png)
21-22高二·全国·单元测试 查看更多[2]
更新时间:2022-04-20 10:24:49
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【知识点】 直线过定点问题
相似题推荐
填空题-单空题
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较易
(0.85)
名校
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【推荐1】已知直线
,直线
,其中
,若直线
,
与两坐标轴围成一个凸四边形,则此四边形面积的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8473e451fa63320cc6b99f9b7c95efa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae09eb144ef75d80766755fabc733ce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc329b32ecf0f0532d09a8a21343e8cb.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
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填空题-单空题
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较易
(0.85)
名校
解题方法
【推荐2】已知动直线
和
,
是两直线的交点,
是两直线
和
分别过的定点,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81641967eb942ebdce3b5f96996969ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b1b3c92981dcd2a75c95f6b9f9cc1d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/422935d85056bc2fa6d4d50d034f62eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/559d66fd8b309fd440ce9bda78a579c9.png)
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