名校
1 . 设直线
与圆心为O的圆
交于A,B两点,则直线AO与BO的倾斜角之和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adbba4eaea11a24409e3a22ea70ae468.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49137970108f50350a3211aa0281faaf.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知直线l经过直线3x+4y﹣2=0与直线2x+y+2=0的交点P,且垂直直线2x﹣y﹣1=0.
(Ⅰ)求直线l的方程;
(Ⅱ)已知直线l与圆x2﹣2x+y2=0相交于A,B两点,求弦AB的长.
(Ⅰ)求直线l的方程;
(Ⅱ)已知直线l与圆x2﹣2x+y2=0相交于A,B两点,求弦AB的长.
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2016-12-04更新
|
468次组卷
|
2卷引用:2015-2016学年四川省南充市高二上学期期末理科数学试卷
3 . 已知圆的方程是
,则经过圆上一点
的切线方程( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c9dcfd9f4c5298035870cb88a34169.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 对于任意实数
,直线
过定点为___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e995ce39adff6597179031b4415a529.png)
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2017-10-09更新
|
570次组卷
|
2卷引用:【全国百强校】四川省阆中中学2017-2018学年高二上学期期中考试数学(文)试题
5 . 已知直线方程
,则该直线的倾斜角为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7202181091999688e52fbb3c005ada90.png)
您最近一年使用:0次
2016-12-04更新
|
347次组卷
|
2卷引用:2015-2016学年四川省南充市高二上学期期末理科数学试卷
解题方法
6 . 过点
作一直线与抛物线
交于
两点,点
是抛物线
上到直线
:
的距离最小的点,直线
与直线
交于点
.
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572935132561408/1572935138754560/STEM/84ec6b29b42d4f97bf35b251a23b3896.png?resizew=158)
(1)求点
的坐标;
(2)求证:直线
平行于抛物线的对称轴.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f63f0bdeade1904c747ec9ef0ff3443.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c31c4f39399ec245a67db2933ed639f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572935132561408/1572935138754560/STEM/84ec6b29b42d4f97bf35b251a23b3896.png?resizew=158)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
您最近一年使用:0次
2016-12-04更新
|
313次组卷
|
3卷引用:2016届四川南充高中高三4月模拟三文科数学试卷
12-13高一上·广东中山·期末
解题方法
7 . 过点
,并且在两轴上的截距互为相反数的直线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2b337c32bd5408c0ed8a9ee9cde4cad.png)
A.![]() ![]() |
B.![]() |
C.![]() ![]() |
D.![]() |
您最近一年使用:0次
2016-12-04更新
|
366次组卷
|
7卷引用:2015-2016学年四川省南充市高二上学期期末理科数学试卷
10-11高二上·浙江嘉兴·期中
名校
8 . 已知两条直线
与
的交点
,求满足下列条件的直线方程:
(
)过点
且过原点的直线方程.
(
)过点
且平行与直线
直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21b48a99b6c3582a0e62e164430e81e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07a0d5cc024f4f8c628ff50a6a190a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7722cff89db33455cc42ab7b7571f7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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9 . 已知直线
与直线
互相平行,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a4f79fe56ec563ef8a043bdd9ef4b30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be485f9f62f7fbc10e5506e8bab06d8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.![]() ![]() | B.![]() | C.![]() | D.![]() |
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10 . 下列命题中假命题有
① 若向量
,
所在的直线为异面直线,则向量
,
一定不共面;
②
,使
成立;
③
,都有直线
恒过定点;
④命题“
,则
的逆否命题为“若
中至少有一个不为0,则
”;
① 若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09c5e0ad5b48dc65c82e5e66adfc0100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d546e6c826d225e23702ca84afb3c0ae.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02cdab65718a2348c2339da2ed817edd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8516a94aa5ab78387b16852490ed5153.png)
④命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c988d709ba8cd8aed6cb83d76c0ba89c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea5977232839b54df456aeeacb13512d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b0527f3801a1f5fae326d9411555b7d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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