专题:直线与圆的方程专项训练-2027届高三数学一轮复习

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专题:直线与圆的方程-2026-2027学年高三数学上学期复习系列

一、单选题

1.已知直线eqId3a8a37343ca1e25ec3e8375d1c31d971, 则“eqIdf22a4a0dd7307a1323d25331e60782d8”是“eqId1095c036b49c3327baaa2c3c7f746134”的(    )

A.充要条件 B.充分不必要条件

C.必要不充分条件 D.既不充分也不必要条件

2.若直线eqId583e6dc6fe7f015a01e78dff75477197与直线eqIdb07e071617453ca2a4e5f3683e982bae互相平行,则eqId380bbacf854e30e2e747fc286d2b9997(    )

A.eqIdbdaa19de263700a15fcf213d64a8cd57 B.eqId274a9dc37509f01c2606fb3086a46f4f C.eqIdbdaa19de263700a15fcf213d64a8cd57或eqId274a9dc37509f01c2606fb3086a46f4f D.eqIdbdaa19de263700a15fcf213d64a8cd57或eqIdc95b6be4554f03bf496092f1acdfbb89

3.设点eqIdc8950c7bc835103d52ceffab14b6b31a,eqId493d2c7603d155cfefd58f6c944a0fcd,若直线eqIdf52a58fbaf4fea03567e88a9f0f6e37e关于eqIdd5eef435a7b42dd4d1643074307247e7对称的直线与圆eqIdf240cccaf24af8a796abb95cb42be52e有公共点,则eqId36a1b09c653185842513e24ebba60bb3的取值范围为(     )

A.eqId724dc7a869635fddbd228162fdb7b473 B.eqId8a791e244a509ec1aee830e93e3d4ae4 C.eqId00cc501717ad800123d8fabec61d8e0c D.eqIdfbbb4726a619e54f0bc53e3e4d6c8976

4.下列说法正确的是(    )

A.直线eqIda24f3197942ff7bd44f44651dd9123b2在eqIdd053b14c8588eee2acbbe44fc37a6886轴上的截距为eqIdbdaa19de263700a15fcf213d64a8cd57

B.如果eqId38ec4e8821a13eb459d1859983292f7a,eqIdbdf9a6cd202702e9cbdcd23ab4c0c39f,那么直线eqId7bc66d8475da4f53f2830a81e0ceb617不经过第二象限

C.直线eqId0f85fca60a11e1af2bf50138d0e3fe62的方程为eqId5e2d02ef255faa5fce06f71a225f1df4,则直线eqId0f85fca60a11e1af2bf50138d0e3fe62的倾斜角eqIde170f206fdbbd834aad7580c727e2cc6的范围是eqIdeba5ba25b96de231e4fdb944fd188fd7

D.经过平面内任意相异两点eqIdaef6197c7d3668731b090895135c0dbf的直线都可以用方程eqIdfaea57ccb60364df787b14a2bf17bfb9表示

5.已知圆eqIddad2a36927223bd70f426ba06aea4b45:eqIdaf7247a1e32669417619d7bfd1b081b0与圆eqIdacc290b44635265137fdf13146b6a6d9:eqIdf581d0a15670dfbbcf1f97d37d111810交于eqId5963abe8f421bd99a2aaa94831a951e9,eqId7f9e8449aad35c5d840a3395ea86df6d两点,则四边形eqIdb7571e2f20e482a852a5d4639480f6a5的面积为(    )

A.eqId61128ab996360a038e6e64d82fcba004 B.eqIdb8860d9787671b53b1ab68b3d526f5ca

C.eqId6f8c4c029e552954bd493b49aeab82d5 D.eqIdcd3304e23f3b0f9569c4140ca89b6498

6.已知eqId1dde8112e8eb968fd042418dd632759e为坐标原点,过点eqIdd10f4d985c59c189de056257862b26ea的直线eqId0f85fca60a11e1af2bf50138d0e3fe62分别与eqId81dea63b8ce3e51adf66cf7b9982a248,eqIdd053b14c8588eee2acbbe44fc37a6886轴的正半轴交于eqIdac047e91852b91af639feec23a9598b2,eqId54a5d7d3b6b63fe5c24c3907b7a8eaa3两点,则当eqIdd4f02028a3847c4807c2d3cf0ea7efb8的面积取得最小值时,直线eqId0f85fca60a11e1af2bf50138d0e3fe62的方程为(     )

A.eqId4c17bb4ff9e868cc6ab9c09ffbbe1b9b B.eqId246c8405109a0af764cf4428cadb40ba

C.eqIda384e98348775027bb9ea53ad27b41c1 D.eqId1dd70e3fa9c5547817652d0820f39c6e

7.在平面直角坐标系eqId7da82c523c3c7c479049c1bd111dd40e中,已知点eqIdf495688d49a849c727f9f3b9d4d70b22,点eqIda91d8d06225c0eb4f84c49b6a4753e88为直线eqId04836ba2906cf6f1e9aecd2a00824aae上一动点,则eqIdc37225528243c6daf2848b19a9352c0b的最小值是(    )page number 0

 

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A.eqId588c3822b7812e711b4ad86647b15dc1 B.eqIda2d52429c8324350309f77e7209a5c35 C.eqId9b91d650c2fc1a741fabdb333b09aeb6 D.eqId38eda283d1dad44a450009125a2518eb

8.已知在平面直角坐标系eqId7ee31829d0d4d5f779a957d7df8058ab中,eqIda0929421a6188c3122442866b0b85a5e,eqIdc850811ba59a05e945a665196539a048.点eqIddad2a36927223bd70f426ba06aea4b45满足eqId7df5d30e4268a4b86a4e098e8cb57da3,设点eqIddad2a36927223bd70f426ba06aea4b45所构成的曲线为eqIdc5db41a1f31d6baee7c69990811edb9f,下列结论不正确的是(    )

A.eqIdc5db41a1f31d6baee7c69990811edb9f的方程为eqIde7f269f3d5e4148989d8897efa29cc60

B.在eqIdc5db41a1f31d6baee7c69990811edb9f上存在点eqId8455657dde27aabe6adb7b188e031c11,使得eqId8455657dde27aabe6adb7b188e031c11到点eqId29343388ca8b33dc98325e65382b38a0的距离为3

C.在eqIdc5db41a1f31d6baee7c69990811edb9f上不存在点eqIdac047e91852b91af639feec23a9598b2,使得eqId4ff24ae0ed551a4410ccc7cb14535384

D.eqIdc5db41a1f31d6baee7c69990811edb9f上的点到直线eqId084c176402728826019140c0332c1db0的最小距离为1

二、多选题

9.已知直线eqIdd038f899191154d7655ca67818123b49, eqId1ad8c6031531a0e53858ac46eb081933,eqIde41aacbf0c38efdaff8c4065419592d1不能围成三角形,则eqId294f5ba74cdf695fc9a8a8e52f421328的取值可能为(    )

A.eqIdb8860d9787671b53b1ab68b3d526f5ca B.eqIdacbc6a613224461ade69362d46550474 C.eqId5e6486784415f3537c9a13556c05d893 D.eqIdbf31876698721a199c7c53c6b320aa86

10.已知直线eqId54ac664b42e36d9c8408e0dd0eca2366,eqIdeaa8d9b87b9960833ee343190903a07b,则下列说法正确的是(   )

A.eqId0cdb9d8425d73a68731f30e0c0e22260的充要条件为eqIdcf0086b054ef120408acac806a1b1318或eqIdd0db2c49919467a2e14540f2aabd05cb

B.若eqId1ce08b357f11ef44c3e8207ac574422a,则eqId69290591c300c95fb8e0e27a853f1c2b

C.若直线eqId2e9b0f5f44abbc6544a2f672b025b013不经过第四象限,则eqIdea5157e99a6d5cb02f4d41ad0232c64b

D.若eqIde94f16d5ed858699bfea5039a7bf8ae6,则直线eqId3f6f17bc385bafb37e8f964e5eb99cd0关于直线eqIdc31c4f39399ec245a67db2933ed639f2对称的直线方程为eqId1bc8e0a4e596e6b0a2f81e1f03fa0430

11.已知圆eqId1dde8112e8eb968fd042418dd632759e:eqId08227ca941898eb34941f446ca8b1de8,直线eqId0f85fca60a11e1af2bf50138d0e3fe62:eqIdffc27c9ee9c007707a20e29a659f51fd(eqId9c24ecf9e59082e563372b12981d03fe),则下列选项中正确的是(    )

A.存在实数eqId294f5ba74cdf695fc9a8a8e52f421328,使得圆eqId1dde8112e8eb968fd042418dd632759e关于eqId0f85fca60a11e1af2bf50138d0e3fe62对称

B.若eqId0f85fca60a11e1af2bf50138d0e3fe62与圆eqId1dde8112e8eb968fd042418dd632759e相切,则eqIde05bd7d9bb486e2b3660af90dff8d609

C.存在实数eqId294f5ba74cdf695fc9a8a8e52f421328,使圆eqId1dde8112e8eb968fd042418dd632759e上存在点eqIdacc290b44635265137fdf13146b6a6d9到eqId0f85fca60a11e1af2bf50138d0e3fe62的距离为eqIdd91e07104b699c4012be2d26160976a2

D.若eqId0f85fca60a11e1af2bf50138d0e3fe62与圆eqId1dde8112e8eb968fd042418dd632759e相交于eqId01c74a907dda6bb7d9d56d009d9df253两点,且eqId8a03fa0ebd132231c00cb726135c0892,则eqId3c209922aa5d79144cec588113c87452

三、填空题

12.设eqIddad2a36927223bd70f426ba06aea4b45为直线eqId0f85fca60a11e1af2bf50138d0e3fe62:eqIdce75562734407227c2e31501941e1c16上的任一点,过点eqIddad2a36927223bd70f426ba06aea4b45作圆eqId49137970108f50350a3211aa0281faaf的两条切线eqIdbd33764ff4efddfe11a98a609753715c,eqIdd2be49c37e30a3ced0364c3e74d8c687,切点分别为eqId5963abe8f421bd99a2aaa94831a951e9,eqId7f9e8449aad35c5d840a3395ea86df6d,则直线eqIdf52a58fbaf4fea03567e88a9f0f6e37e恒过定点______.

13.已知圆eqId1c2e3caec60854e0ee0a587b32c10e6d,若圆eqIdc5db41a1f31d6baee7c69990811edb9f上存在点eqIddad2a36927223bd70f426ba06aea4b45使eqIddea8f7a80bdd8b95b88103efa57006d2,则正数eqId294f5ba74cdf695fc9a8a8e52f421328的取值范围是______.page number 1

 

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14.某学校操场的每条跑道由两段直道和两段半圆形弯道组成(如图1).运动员比赛时,从某条跑道弯道处的起跑线eqIdf52a58fbaf4fea03567e88a9f0f6e37e上选取一点P作为起跑点,沿直线eqId7a5f1641947153c80b987320885a2b57加速后从点Q切入弯道内侧分道线,即eqId7a5f1641947153c80b987320885a2b57与内侧分道线相切.以半圆的圆心O为原点,建立平面直角坐标系(如图2),若eqId740ffb2f0703ba6efaf291e2df0e43f4,eqIde5658063fe6ac0cdfc1032d8b224430c,则直线eqId7a5f1641947153c80b987320885a2b57的一般式方程为_____________.

@@@203554da-f283-42d5-8f33-54e3ea69bcfe

四、解答题

15.在平面直角坐标系eqId7ee31829d0d4d5f779a957d7df8058ab中,已知eqId15c0dbe3c080c4c4636c64803e5c1f76的顶点eqId3e729a860cfd19d075a037b497bbfa04,eqId0dc5c9827dfd0be5a9c85962d6ccbfb1边上中线eqId03902478df1a55bc99703210bccab910所在直线方程为eqId7c3ef8505208cafe8402b44dec752ddb,eqIdf52a58fbaf4fea03567e88a9f0f6e37e边上的高eqIda6655e2fa64a32cd12fe0279afd65d73所在直线方程为eqId8be0d38be10c5983fb06f50318e6a31c,求:

(1)顶点eqId5963abe8f421bd99a2aaa94831a951e9的坐标;

(2)求直线eqId0dc5c9827dfd0be5a9c85962d6ccbfb1的方程.

(3)求eqId15c0dbe3c080c4c4636c64803e5c1f76的面积.

16.已知eqId15c0dbe3c080c4c4636c64803e5c1f76的三个顶点分别是eqId275fbc5534b173b552b6baacf5898569,eqIda30ca15af0d5cbd9c45b2453a733810b,eqId491c2b3e525561b8716b5b52c4c4b6e1

(1)求边eqIdf52a58fbaf4fea03567e88a9f0f6e37e所在直线的方程,以及这条边的垂直平分线的方程;

(2)求eqId15c0dbe3c080c4c4636c64803e5c1f76的外接圆的方程.

17.已知直线eqId1b91113280d95a1ea3a142ca84106f53.

(1)证明:直线eqId0f85fca60a11e1af2bf50138d0e3fe62过定点;

(2)若直线eqId0f85fca60a11e1af2bf50138d0e3fe62不经过第四象限,求eqIdf0a532e15e232cb4b99a8d4d07c89575的取值范围;

(3)若直线eqId0f85fca60a11e1af2bf50138d0e3fe62交eqId81dea63b8ce3e51adf66cf7b9982a248轴负半轴于点eqId5963abe8f421bd99a2aaa94831a951e9,交eqIdd053b14c8588eee2acbbe44fc37a6886轴正半轴于点eqId7f9e8449aad35c5d840a3395ea86df6d,eqId1dde8112e8eb968fd042418dd632759e为坐标原点,设eqId866b81a8384cce4f24867baca2e6820c的面积为eqIdcf231f8f86fb922df4ca0c87f044cec3,求eqIdcf231f8f86fb922df4ca0c87f044cec3的最小值及此时直线eqId0f85fca60a11e1af2bf50138d0e3fe62的方程.

18.已知圆eqIdac047e91852b91af639feec23a9598b2:eqId8669ea1dcc9c9ef6c9273695493ea24b(eqId294f5ba74cdf695fc9a8a8e52f421328为实数).

(1)若直线eqId0985b973395bcd371cd1e26d3fcd1c36被圆eqIdac047e91852b91af639feec23a9598b2截得的弦长为eqIdbd9ef266152caaceda79dbfcacb35af9,求eqId294f5ba74cdf695fc9a8a8e52f421328的值;

(2)若过点eqId9f7852c858fb1a1d78c1d603c6b1e2ce的圆eqId54a5d7d3b6b63fe5c24c3907b7a8eaa3与圆eqIdac047e91852b91af639feec23a9598b2相切于点eqId7b68f62dc0d541278daf12060adc99b2,求圆eqId54a5d7d3b6b63fe5c24c3907b7a8eaa3的标准方程.

19.已知圆eqIdc5db41a1f31d6baee7c69990811edb9f:eqIda324c816e299f545ba3f31d37544d07d,直线eqId0f85fca60a11e1af2bf50138d0e3fe62的斜率为1,与圆交于eqId5963abe8f421bd99a2aaa94831a951e9、eqId7f9e8449aad35c5d840a3395ea86df6d两点.

(1)若直线eqId0f85fca60a11e1af2bf50138d0e3fe62经过圆eqIdc5db41a1f31d6baee7c69990811edb9f的圆心,求出直线的方程;

(2)当直线eqId0f85fca60a11e1af2bf50138d0e3fe62平行移动的时候,求eqIdc41663d9e5e18891475aeaa98794f33d面积的最大值以及此时直线eqId0f85fca60a11e1af2bf50138d0e3fe62的方程;page number 2

 

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