1 . 已知椭圆
的左、右焦点为
,
,点
在椭圆上,且不与椭圆的左、右顶点重合.
(1)当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1565358ed95afa71757c1d7d1fd2ea.png)
___________ .
(2)椭圆上有___________ 个点
,使得
为直角三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d80b861ba40387cb2bcd04945f5a371a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c75995958607076122e6ba50fa83232.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1565358ed95afa71757c1d7d1fd2ea.png)
(2)椭圆上有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
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2 . 已知
,
是实数,若
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/050745c52a6ac4a4d755e38a257ac76e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5bf3c659291b2c7fa7584c40174404e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02f7d08d10754ff3903d139768f40530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
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解题方法
3 . 已知抛物线
的焦点为F,A是抛物线上一动点,且
的最小值为1,
是平面内一定点,则
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c2f156b05838deaae6a35acad242af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61f20a5abdb5deef164c7d633c2c8fce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c7f6a03826a5ad351c1f7ca553a6945.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeff927550c80da5c2a640b32df332bb.png)
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4 . 椭圆
:
的焦距为4,则
的长轴长为____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7a19a6c31f4e3636aebdbaef5ffb036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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5 . 已知点
,直线
,且点
不在直线
上,则点
到直线
的距离
;类比有:当点
在函数
图像上时,距离公式变为
,根据该公式可求
的最小值是____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3783208484c038053c9585a1040223a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2f6d4652704980120d3d0fbca820a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fd07dd68b70aa01521476da603187fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e53c9d70f16a0cfb2f7fd39c2ab8075.png)
您最近一年使用:0次
2023-11-24更新
|
178次组卷
|
2卷引用:浙江省绍兴市上虞中学2023-2024学年高二上学期期中测试数学试题
名校
解题方法
6 . 若直线
与直线
平行,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52da4fb78051ea1b4c86a1a627578210.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7d021f31b88c2e05b702addeec146b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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7 . 设A为圆
上的动点,
是圆的切线且
,则P点的轨迹方程是_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd767240a603ca0c0db5567707eb704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80bdb84ef7474ce126dfcc51641815b0.png)
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解题方法
8 . 已知函数
,若存在区间
,使得函数
在
上的值域为
,则实数
的取值范围为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba3ec289470ba145436a8e1e2b06050a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce803c921726871af466b72e9df4f497.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f0dbc7a1166bd79a9b52d3c59e6a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
9 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d3b15f7deb1cf3045d858de4869962.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c09dab2f9c96c068f3a26243166bc29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d3b15f7deb1cf3045d858de4869962.png)
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解题方法
10 . 已知函数
在
上单调递增,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f3621fa50cccbc698ae0ad179a0fa55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-11-22更新
|
440次组卷
|
2卷引用:浙江省绍兴市上虞中学2023-2024学年高一上学期期中测试数学试题