名校
解题方法
1 . 已知点
为抛物线
的焦点,点
在抛物线
上,过点
的直线交抛物线
于
两点,线段
的中点为
,且满足
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/1/174557b8-4b9b-40bb-98cb-65007b66ad53.png?resizew=180)
(1)若直线
的斜率为1,求点
的坐标;
(2)若
,求四边形
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ba2238d6afe0187534155dd9ac48c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.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/432fed05a7ec5c0146a82a6b54195a00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f01384b2f6517100ed63325b71ad261.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/1/174557b8-4b9b-40bb-98cb-65007b66ad53.png?resizew=180)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3049b549f46ce241419aa6d6d83f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4a857117a433ec601b4bda056ce43e.png)
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2020-04-20更新
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3卷引用:江苏省盐城市第一中学2020届高三下学期第一次调研考试数学试题
江苏省盐城市第一中学2020届高三下学期第一次调研考试数学试题浙江省名校新高考研究联盟(Z20联盟)2019-2020学年高三上学期12月第二次联考数学试题(已下线)专题21 圆锥曲线的范围、最值问题(解答题)-冲刺2020高考跳出题海之高三数学模拟试题精中选萃(浙江专版)