已知抛物线
:
的焦点
,直线
与
轴的交点为
,与抛物线
的交点为
,且
.
(1)求
的值;
(2)已知点
为
上一点,
是
上异于点
的两点,且满足直线
和直线
的斜率之和为
,证明直线
恒过定点,并求出定点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de72a5190834f5dbe895596656c038b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/657340e7f5ca3dc09caf45d47ae71304.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88add3d1f5973381249df863af6611d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a354c472e3de0d03a4d288bb7b62a22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a77ce31833750a319b3c2db7837a110d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3140e731e4b04c06b1703f53f620617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
2018·山东威海·二模 查看更多[5]
【全国市级联考】山东省威海市2018届高三下学期第二次模拟考试文科数学试卷【全国百强校】黑龙江省大庆市第一中学2019届高三下学期第四次模拟数学(文)试题(已下线)专题05 平面解析几何——2019年高考真题和模拟题理科数学分项汇编(已下线)专题05 平面解析几何——2019年高考真题和模拟题文科数学分项汇编(已下线)考点29 抛物线-2021年新高考数学一轮复习考点扫描
更新时间:2018-05-20 12:52:29
|
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【推荐2】在平面直角坐标系xOy中,曲线C上的任意一点M到直线
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8070f2e81c6b422d9f6043ce60fdbc0b.png)
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【推荐2】已知焦点为
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