一条直线
经过
,并且倾斜角是直线
的倾斜角的2倍,则直线
的方程为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb13ab5a8c5c23d6481b93ecfcc95eb.png)
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21-22高二上·山东威海·期末 查看更多[6]
山东省威海市2021-2022学年高二上学期期末数学试题(已下线)第05讲 五种直线方程-【暑假自学课】2022年新高二数学暑假精品课(苏教版2019选择性必修第一册)山东省潍坊市寿光市第一中学2021-2022学年高二上学期期末数学试题(已下线)突破2.2 直线的方程(1)(课时训练)(已下线)模块三 专题6 直线的方程 B能力卷(已下线)模块三 专题9 直线的方程 B能力卷
更新时间:2022-01-26 22:40:07
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【推荐1】直线
:
与圆
:
交于
,
两点,则直线
与直线
的倾斜角之和为________ .
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【推荐2】下列说法中所有正确的序号是_________
①两直线的倾斜角相等,则斜率必相等;
②若动点
到定点
和定直线
的距离相等,则动点
的轨迹是抛物线;
③已知
、
是椭圆
的两个焦点,过点
的直线与椭圆交于
、
两点,则
的周长为
;
④曲线的参数方程为
为参数
,则它表示双曲线且渐近线方程为
;
⑤已知正方形
,则以
、
为焦点,且过
、
两点的椭圆的离心率为
.
①两直线的倾斜角相等,则斜率必相等;
②若动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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③已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
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④曲线的参数方程为
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
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⑤已知正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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【推荐1】直线(a2+1)x-2ay+1=0的倾斜角的取值范围是
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【推荐2】经过点
作直线l,且直线l与连接点
,
的线段总有公共点,则直线l的倾斜角
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6951479694aec937a712901634a5a4b.png)
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【推荐1】已知直线与抛物线
交于
两点,且
交
于点
,点
的坐标为
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__________ .
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【推荐2】已知
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