解题方法
1 . 已知椭圆
的离心率为
,左、右焦点分别为
,
,过
且垂直于
轴的直线被椭圆
所截得的弦长为
.
(1)求椭圆
的方程;
(2)设点
在椭圆上,且
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7285470bf401f5edaac641234ee6ff6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002ed1ebb2cb936e10ab478789f91c7c.png)
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2卷引用:河北省张家口市张垣联盟2023-2024学年高二上学期11月月考数学试题
解题方法
2 . 如图,在五边形
中,四边形
是矩形,
,
为正三角形,将
沿着
折起,使得点
到达点
的位置,且平面
平面
,点
,
分别为线段
,
的中点,点
在线段
上,且
,若
平面
.求:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/7/79f9210d-1c19-453f-8ad3-870ef610e05f.png?resizew=158)
(1)
的值;
(2)点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9142a8490de14a87eda628ffa7e28982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7132fc900a3e6678ee9854599ad6bfd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff6aeab3881f4df0d714968e36b141e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f60d66204e1abc17bd01749f187f8050.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/7/79f9210d-1c19-453f-8ad3-870ef610e05f.png?resizew=158)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df1c74dd7c33bbc1f73efad7883fa46.png)
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2卷引用:河北省张家口市张垣联盟2023-2024学年高二上学期11月月考数学试题
解题方法
3 . 已知圆
,圆
.
(1)试判断两圆的位置关系;
(2)求公共弦所在直线的方程;
(3)求公共弦的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c55b1e281adac7af6a277d6dc2f1654.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f32e0f382bb2de22e37b45ff9126410c.png)
(1)试判断两圆的位置关系;
(2)求公共弦所在直线的方程;
(3)求公共弦的长度.
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2卷引用:河北省张家口市张垣联盟2023-2024学年高二上学期11月月考数学试题
解题方法
4 . 已知平面内点
,
,
.
(1)求经过
的中点且与
平行的直线方程;
(2)求
的外接圆的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec5690370b85096d9c58d3bd9f1a20f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baca988e757625c577e02752422a72d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc579e544939ba6a84c0f6ac76308445.png)
(1)求经过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2卷引用:河北省张家口市张垣联盟2023-2024学年高二上学期11月月考数学试题
5 . 已知圆
和点
,点
,
为圆
上的动点,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baca988e757625c577e02752422a72d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef5f0accd8de4af1fe793d0d921c6023.png)
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2卷引用:河北省张家口市张垣联盟2023-2024学年高二上学期11月月考数学试题
解题方法
6 . 如图,在正方体
中,点
在线段
上运动,则直线
与直线
所成角的余弦值的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c407eeb34204a1df967b8fbe481cb04d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/10/c28d92e8-97bb-4d8e-a4eb-b399786ad131.png?resizew=161)
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2卷引用:河北省张家口市张垣联盟2023-2024学年高二上学期11月月考数学试题
7 . 写出同时与圆
和圆
都相切的一条直线方程______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b71ea841250ece6e905e08fbca0f182.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4ee046da007483ab2dec5fb249733f2.png)
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2卷引用:河北省张家口市张垣联盟2023-2024学年高二上学期11月月考数学试题
解题方法
8 . 若椭圆离心率为
,
,
为椭圆的两个焦点,
为短轴的一个端点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1557511a26e9f70ab1d6bbce0b8bb14e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1557511a26e9f70ab1d6bbce0b8bb14e.png)
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2卷引用:河北省张家口市张垣联盟2023-2024学年高二上学期11月月考数学试题
9 . 椭圆
的左右焦点分别为
,
,
为坐标原点,
为椭圆
上一点,给出以下四个命题,正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4402aeb853b22f20992156957ef0fd.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.过点![]() ![]() ![]() ![]() ![]() |
B.过点![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
C.椭圆![]() ![]() ![]() |
D.![]() ![]() ![]() ![]() |
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2卷引用:河北省张家口市张垣联盟2023-2024学年高二上学期11月月考数学试题
解题方法
10 . 从点
射出的光线经
轴反射后,与圆
有公共点,则反射光线所在直线斜率可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3654254401fc902c3cb4912969f21f88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c55888cbae216e083be108772a2ab97a.png)
A.1 | B.2 | C.3 | D.不存在 |
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2卷引用:河北省张家口市张垣联盟2023-2024学年高二上学期11月月考数学试题