1 . 已知圆
,圆
,动圆P以点P为圆心,且与圆
外切,与圆
内切.
(1)求点P的轨迹C的方程;
(2)已知点
为轨迹C上任意一点,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47aecccd9ca252632fb1fa9de1372a66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24fb2a4138c69f05686a55d3c6457bfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
(1)求点P的轨迹C的方程;
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ff7e0ef1f622120cc1b18e9d3e80ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29ebc856291255f2d4a6c20b982a2442.png)
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2 . 平面
的法向量为
,平面
的法向量为
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cade3ebee1dd3d0a4752b18833e6cb96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc1ecfbebba875c1d1ee6e2398450834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35f747152f006301e03b643afb80195c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
A.-2 | B.-1 | C.1 | D.2 |
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解题方法
3 . 已知
,过点
的直线
与线段
不相交,则直线
斜率
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bc0b24e806b5bfd5c71f83451f83cac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc03af70a9f6f2509d2355cfadd0a968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
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4 . 如图,已知抛物线
:
和圆
:
,过抛物线的焦点
作直线
与上述两曲线自左而右依次交于点
,
,
,
,则
的最小值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/b754d400-adb5-40d0-9534-27d9302ace75.png?resizew=178)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f29f7a04e4cfdcaedbb45e222ea566c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/647aa3f3e9c217c6f33835e48970728c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50312f6452b65dd1b4ffbeb843e20df.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/b754d400-adb5-40d0-9534-27d9302ace75.png?resizew=178)
A.![]() | B.![]() |
C.![]() | D.![]() |
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重庆市黔江中学校2023-2024学年高二上学期12月月考数学试卷(已下线)专题20 抛物线的定义和焦半径公式及抛物线的标准方程(期末选择题20)2023-2024学年高二数学上学期期末题型秒杀技巧及专项练习(人教A版2019)广东省珠海市第一中学2024届高三上学期期末模拟数学试题
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解题方法
5 . 已知四棱锥
的底面是边长为2的菱形,
为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/23/9cf2c97e-831b-4bbb-b3d1-09a3e3108064.png?resizew=177)
(1)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
平面
;
(2)求
的重心到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f922cedb92ac73c360d19788e054d52b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/23/9cf2c97e-831b-4bbb-b3d1-09a3e3108064.png?resizew=177)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bc46688d8723cf2003fc25890265200.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b9f0296c53918018745f4e3906e2dd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
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6 . 如图,在四棱锥
中,平面
平面
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/23/5670825a-cda2-4828-a98a-cf1edb20ce7a.png?resizew=162)
(1)求证:
;
(2)求平面
与平面
夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a57cf90275018dea04941fcffc11067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3181a858d499ed787333475aecf3b894.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/23/5670825a-cda2-4828-a98a-cf1edb20ce7a.png?resizew=162)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da48240e7fc3248f773ac1500c15ec14.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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解题方法
7 . 已知
是抛物线
的焦点,抛物线上点A满足AF垂直于x轴,且
.
(1)求抛物线C的标准方程;
(2)
是该抛物线上的两点,
,求线段
的中点到
轴的距离;
(3)已知点
,直线
过点
与抛物线交于
,
两个不同的点
均与点H不重合
,设直线
,
的斜率分别为
,
,求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d653eb1ea0106e5bb146dae2e4e0e34f.png)
(1)求抛物线C的标准方程;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77ea647b776699a17f47fae1f25dc158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(3)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c627ad9fd5be5001321b0ca8ce941e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f28c6ce14821fdbe53aca895e52ab1e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0a8588dc60a543ad70d6bc0d263dbd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eef1f7b9adab87736321e30949a4d668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4757181824e15e0f21e5bdd55448783.png)
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8 . 已知双曲线
的一条渐近线方程为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9efc511fa9b4ad4ca983cc5b1b6166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ab2d4831b79f2180407f95475d6e990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef1dbed0813c67a81a3a76c288a3f105.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 已知点
,直线
与
轴相交于点
,则△
中
边上的高
所在直线的方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7070c9876a5a0f8fea26ccd10cf1ab0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/091c83390d0755e1b72755cf37490351.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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4卷引用:重庆市黔江中学校2023-2024学年高二上学期10月考试数学试题
重庆市黔江中学校2023-2024学年高二上学期10月考试数学试题广东省广州市广东实验中学2024届高三上学期大湾区数学冲刺卷(一)(已下线)艺体生一轮复习 第八章 解析几何 第37讲 直线的方程【练】(已下线)热点7-1 直线与圆综合(10题型+满分技巧+限时检测)
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解题方法
10 . 如图,在四棱柱
中,四棱锥
是正四棱锥,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/16/3dc33301-8e07-4007-8012-7d24bb23bd00.png?resizew=186)
(1)求
与平面
所成角的正弦值;
(2)若点
在棱
上,且
,求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fec35c2182c5e0c80b766adceb058e5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3adf459a27090afa6e8d262df80196eb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/16/3dc33301-8e07-4007-8012-7d24bb23bd00.png?resizew=186)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8667522c22932036dea088995694614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a98287a302228ece1fa53c5c66c590f.png)
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