1 . 我们所学过的椭圆、双曲线、抛物线这些圆锥曲线,都有令人惊奇的光学性质,且这些光学性质都与它们的焦点有关.如从双曲线的一个焦点处出发的光线照射到双曲线上,经反射后光线的反向延长线会经过双曲线的另一个焦点(如图所示,其中
是反射镜面也是过点
处的切线).已知双曲线
(
,
)的左右焦点分别为
,
,从
处出发的光线照射到双曲线右支上的点P处(点P在第一象限),经双曲线反射后过点
.
当
,
,且直线
的倾斜角为
时,求反射光线
所在的直线方程;
(2)从
处出发的光线照射到双曲线右支上的点
处,且
三点共线,经双曲线反射后过点
,
,
,延长
,
分别交两条渐近线于
,点
是
的中点,求证:
为定值.
(3)在(2)的条件下,延长
交y轴于点
,当四边形
的面积为8时,求
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5c2e64358e0ec7aa142c336d970306.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.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/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5742b2684d00be50a66e01c9acb6b51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c0927afc571a7c966c98192040979e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
(2)从
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14407af8228940400ff84d7178c35462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31c91133f180bb95108505e1404225c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8072babbec756343ca6327b4f5cf5359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83e02c09428538ce8ae136cff26d3f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f2b5b1e9ef7dd60486b550eb4cbec1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe7fd9b0c3c203a053a7ea52b71e7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09fcb20a6972108871adbf284f9e5006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03269994367213697055deb589bb794a.png)
(3)在(2)的条件下,延长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf17cb715bbee9a0246d926385849a0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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解题方法
2 . 已知直线l经过点P,且l的斜率为k,分别根据下列条件求直线l的方程:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a6d383d51e409b4ff421b160a300a9d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc98d538e25908d7afc5f7fe8f6348a7.png)
您最近一年使用:0次
名校
3 . 过点
的直线
与拋物线
交于点
,
(
在第一象限),且当直线
的倾斜角为
时,
.
(1)求抛物线的方程;
(2)若
,延长
交抛物线
于点
,延长
交
轴于点
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448c0a5ee776d19ce8e42ac9a5fd27c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/954714542aac9d406fd2a2ee6af75c0f.png)
(1)求抛物线的方程;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ef03f452410ab19c6246567c427178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4cd358a3ec6f4b6a29e758db84de085.png)
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2023-04-23更新
|
603次组卷
|
4卷引用:重难点突破06 弦长问题及长度和、差、商、积问题(七大题型)-1
(已下线)重难点突破06 弦长问题及长度和、差、商、积问题(七大题型)-1四川省绵阳市2023届高三三模文科数学试题江西省全南中学2022-2023学年高二下学期期中数学试题四川省成都市川大附中新城分校2024届高三下学期开学考试数学(理)试题
解题方法
4 . 如图所示,正方形ABCD中,在BC上任取一点P(点P不与B、C重合),过点P作AP的垂线PQ交角C的外角平分线于点Q.用坐标法证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03a88c3be043e983e93563872f1b2298.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/12/ee58ccb9-5ef6-4db8-94f4-bd346e24c6a2.png?resizew=181)
您最近一年使用:0次
解题方法
5 . 已知椭圆
的左、右焦点分别为
,直线l的斜率为k,在y轴上的截距为m.
(1)设
,若
的焦距为2,l过点
,求l的方程;
(2)设
,若
是
上的一点,且
,l与
交于不同的两点A、B,Q为
的上顶点,求
面积的最大值;
(3)设
是l的一个法向量,M是l上一点,对于坐标平面内的定点N,定义
.用a、b、k、m表示
,并利用
与
的大小关系,提出一个关于l与
位置关系的真命题,给出该命题的证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0c118b51ab426bc1c1b56179094f146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38928a92bc4b44ed3c9b89769f5372.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59a7a78a0cb55d2396f7213432a86b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/662ad7f6a6c6a3d97ebdc5017b17fe8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b17f20c25bb16153b5f2d25062ed7a7.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b8a88a16125366536cb4ad658e0cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a1cee4fed65dd5d20c089810266653.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0970b6eed4ca40fa4ecfbed448615cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0970b6eed4ca40fa4ecfbed448615cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a881309775c3b6a9f4ed408838666342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
您最近一年使用:0次
2022-11-25更新
|
677次组卷
|
5卷引用:专题22 新高考新题型第19题新定义压轴解答题归纳(9大题型)(练习)
(已下线)专题22 新高考新题型第19题新定义压轴解答题归纳(9大题型)(练习)(已下线)大招4 圆锥曲线创新问题的速破策略上海市虹口区2023届高三上学期11月适应性测试数学试题上海海洋大学附属大团高级中学2023届高三上学期12月月考数学试题(已下线)高二下期中真题精选(易错46题专练)-【满分全攻略】2022-2023学年高二数学下学期核心考点+重难点讲练与测试(沪教版2020选修一+选修二)
名校
解题方法
6 . 已知直线
经过点
,且与
轴、
轴的正半轴交于
两点,
是坐标原点,若满足__________.
(1)求直线
的一般式方程;
(2)已知点
为直线
上一动点,求
最小值.
试从①直线
的方向向量为
;②直线
经过
与
的交点;③
的面积是4,这三个条件中,任选一个补充在上面问题的横线中,并解答.注:若选择两个或两个以上选项分别解答,则按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f13bf66fc845b115de4ec45b4be0e23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2a077357e55a828b1b2e0b221e8be86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dc020072a977dd354387201d86c6c0f.png)
试从①直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbe2802a3119bc1ab704db74bdfff192.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a45ece4079a4eb0040eab26b586db78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09324568f2f3995b2f932e66ee5926ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
您最近一年使用:0次
2022-11-22更新
|
420次组卷
|
7卷引用:第一节 直线的方程 A素养养成卷
(已下线)第一节 直线的方程 A素养养成卷(已下线)第1章 直线与方程章末题型归纳总结(2)山东省潍坊市五县市2022-2023学年高二上学期期中数学试题山东省淄博市沂源县第一中学2022-2023学年高二上学期期中数学试题山东省枣庄市第八中学2023-2024学年高二上学期10月月考数学试题山东省德州市第一中学2023-2024学年高二上学期10月月考数学试题山东省青岛第五十八中学2023-2024学年高二上学期期中考试数学试卷
名校
解题方法
7 . 直线
,
均过点P(1,2),直线
过点A(-1,3),且
.
(1)求直线
,
的方程
(2)若
与x轴的交点Q,点M(a,b)在线段PQ上运动,求
的取值范围
![](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/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce08b357f11ef44c3e8207ac574422a.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3a5467fb4eeec7b7047ab307d1f694c.png)
您最近一年使用:0次
解题方法
8 . 已知直线
过点
,且______.
(1)若横线上填写的是“过点
”,求直线
的方程;
(2)在①直线
与直线
:
平行;②直线
与直线
:
垂直;③直线
的倾斜角为45°,且直线
的斜率是直线
的斜率的3倍这三个条件中任选一个,填在横线上,求出直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98b2cc0d2f6d3eee9a33db83e0c0830d.png)
(1)若横线上填写的是“过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22340d6f2582502d69a5cb85f446ff43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
(2)在①直线
![](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/3f42457c945c02fd46fb018712e73171.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/943fecc8fa33ccc1dca0b0cb9e908224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.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/2e9b0f5f44abbc6544a2f672b025b013.png)
您最近一年使用:0次
2022-11-15更新
|
354次组卷
|
3卷引用:第01讲 直线的方程(高频考点,精练)
真题
9 . 如图,
为椭圆的两个顶点,
为椭圆的两个焦点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/18/81b84268-931b-499e-914d-cc9003bd1086.png?resizew=397)
(1)写出椭圆的方程及准线方程;
(2)过线段
上异于O,A的任一点K作
的垂线,交椭圆于P,
两点,直线
与
交于点M.求证:点M在双曲线
上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32622697953ab5e4b4e35cd62d1b1c64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/18/81b84268-931b-499e-914d-cc9003bd1086.png?resizew=397)
(1)写出椭圆的方程及准线方程;
(2)过线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0ff310aabd2282b539537ebed3f788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aba947934b05caae8b0c1fb1a522a0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6d49e09b17b19d7c787e95bcf1e9731.png)
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解题方法
10 . 某城市在主干道统一安装了一种新型节能路灯,该路灯由灯柱和支架组成.在如图所示的平面直角坐标系中,支架
是抛物线
的一部分,灯柱
经过该抛物线的焦点
且与路面垂直,其中
为抛物线的顶点,
表示道路路面,
,A为锥形灯罩的顶,灯罩轴线与抛物线在A处的切线垂直.安装时,要求锥形灯罩的顶到灯柱所在直线的距离是
,灯罩的轴线正好通过道路路面中的中线.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/29/7afca8dd-d064-44c7-b852-af1335f532d4.png?resizew=245)
(1)求灯罩轴线所在的直线方程;
(2)若路宽为
,求灯柱的高.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cf468f5132e14ee1d8cc766808b11af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b072ff6d1b83232bebd7d4709ffba4ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e4fa04825ac7d071968056322d88be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a0dae258fcf4efcb6ae22c3bdd16b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6244c4be2c661dc2166885d65bbad9c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/29/7afca8dd-d064-44c7-b852-af1335f532d4.png?resizew=245)
(1)求灯罩轴线所在的直线方程;
(2)若路宽为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167e6e41ac221847824a72e964f340f1.png)
您最近一年使用:0次
2022-08-28更新
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559次组卷
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6卷引用:专题3.3 抛物线(4类必考点)-2022-2023学年高二数学必考点分类集训系列(人教A版2019选择性必修第一册)
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