名校
解题方法
1 . 已知过点
的直线
与抛物线
:
相交于
、
两点,直线
:
是线段
的中垂线,且
与
的交点为
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/180735d52856f4393e40e28e7fcc95bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65920f4695a14c85e7085450aee08b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](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/5209cf3b0c9a91e93f73aa93cab13d18.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
2 . 如图,已知点
在半圆
:
上一点,过点P作抛物线C:
的两条切线,切点分别为A,B,直线AP,BP,AB分别与x轴交于点M,N,T,记
的面积为
,
的面积为
.
![](https://img.xkw.com/dksih/QBM/2022/2/16/2917780834074624/2918913037582336/STEM/69b2636d-dd93-4c06-b114-72d6a5764755.png?resizew=182)
(1)若抛物线C的焦点坐标为(0,2),求p的值和抛物线C的准线方程:
(2)若存在点P,使得
,求p的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f2c1a1c868218dd0be4e77ca9cfe84c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c2f156b05838deaae6a35acad242af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c0f9cbd5fce2c4819aadefcf10dcd4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd68201c2f21edf7575166ce1ef82ae3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://img.xkw.com/dksih/QBM/2022/2/16/2917780834074624/2918913037582336/STEM/69b2636d-dd93-4c06-b114-72d6a5764755.png?resizew=182)
(1)若抛物线C的焦点坐标为(0,2),求p的值和抛物线C的准线方程:
(2)若存在点P,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/506c25a883f7d0e2342419e1e9f6b142.png)
您最近一年使用:0次
2022-02-18更新
|
1258次组卷
|
3卷引用:浙江省十校联盟2021-2022学年高三下学期开学联考数学试题