组卷网>知识点选题>建系坐标法求平面向量基本定理中参数值
显示答案
| 共计 82 道试题
1 . 如图,扇形的半径为1,圆心角eqIdb88900ebf56e4e5fa80c5d32cff146b4,点eqIdbedf755e0fdb4d078d6859360706b163在弧eqId0627be51821d4be7b3e024a354815d64上运动,eqId3fb17aa743c44f4398a42006b7712320,则eqId90594fcdb53449e0b753b035b50d0f80的最小值是(   )
说明: figure
A.0B.eqIda2a0ce3781fa4c26b624f5966b7dee44C.2D.eqIdbeffaaf8d5cd43cf8375210d69fce6be
2 . 如图所示,平面内有三个向量eqId8fc87b6e58284272a2b57c453d92c834eqIda5e28896576540feaa02c457e82451cfeqId38bd7b0945784b718190eac5724ac289,其中eqId8fc87b6e58284272a2b57c453d92c834eqIda5e28896576540feaa02c457e82451cf的夹角为eqId71dab503f7b140f0a2bdd598d1f21f8eeqId8fc87b6e58284272a2b57c453d92c834eqId38bd7b0945784b718190eac5724ac289的夹角为eqId5ad58f952a4542f689f5ee8aa9946f25,且eqId77978dd26ce84795bf28eafffaaa3b7deqIdcb8d31cb39854b848cc06f1d77a552a4.若eqId44a48d4852c646a7a122dd2c60794e73,则eqIdffd8b0491756462bae0d1024726a6fe5的值为_______
说明: figure
3 . 向量eqIdf087b35a5011425daaafbf14a5e61064eqId5f16eb46594d47b58ffc973b5cc2dd0deqIdfe72fe3d77e34f6e89f18aeb25a9a009在正方形网格中的位置如图所示,若向量eqId5d381760494349f4846d063a3b84bfed,则实数eqId43030e1d3ce84bd395f1afe81562fea7(   )
说明: figure
A.eqId5c1c12d4b3ba4aaab6267324ae66c81eB.eqIdbeffaaf8d5cd43cf8375210d69fce6beC.1D.2
单选题 | 较易(0.85) | 2021·重庆一中高三其他模拟
4 . “勾3股4弦5”是勾股定理的一个特例.根据记载,西周时期的数学家商高曾经和周公讨论过“勾3股4弦5”的问题,毕达哥拉斯发现勾股定理早了500多年,如图,在矩形ABCD中,△ABC满足“勾3股4弦5”,且AB=3,EAD上一点,BEAC.若eqIdeb5a5318fc744b518e7c84593be53908=λeqIded6cbbff1aae4f05961e20641c11f6f8+μeqId4ddba6db3da948fbad12a7b08aa05161,则λ+μ的值为(   )
说明: figure
A.eqId32b2a3baba73432487b282b31a2e85f6B.eqId72a10295338040499cb3747215ca8f7fC.eqId653f7fee80234ada90c6e1b1f1bc6301D.1
5 . 已知eqIdbf80e33f8af0497793eeb1eb2a0e416eeqId26d0383ebc3f44c2984e80b88390a5f5夹角为120°,eqId8842af19760743ff85315db971174c88eqId7b992a644529490091d2c5a72b051efd.eqIdb7c6d8371b09414d839ebda7276899f4eqIdbf80e33f8af0497793eeb1eb2a0e416e夹角为150°,如图所示位置eqIdd48db236716b482284e8beb85d52b564,若eqId0908f09194f14d95a345597e617f3ef0eqId43030e1d3ce84bd395f1afe81562fea7___________eqIde69f3f0b197e45e889fa82be60efe0c4___________.
说明: figure
6 . 如图,每个小正方格的边长都是eqIdffd43b2e62344c6ebb1478299bc86b2f,则eqIde3ccd6e37d134b4d86829eb28c914f1d的值为(   )
说明: figure
A.1B.eqId49b7b111d23b44a9990c2312dc3b7ed9C.eqId6c134c414a5e4643849c88caa4d6a5f0D.eqId74f672b1271642a8983d0b66ebc25208
单选题 | 较易(0.85) | 2021·江苏高三二模
7 . 如图,点eqId19a4eb16029e4550a14f2afe4741a3c3在半径为eqIdc052ddfbd4524f67a79e0e77c2e5656aeqId1609e6778d084a1d9bb2bf4111fcf29a上运动,eqId807f07cf3346459888342a16e939fd07eqId87ead09abcf54588bab2599258480796,则eqIdd2781a77c68c4dfa815fe3916afc45cb的最大值为(   )
说明: figure
A.eqId37705e1ef6a84bbdbe88433e75932cdfB.eqId317ed84d205b4156847380f7e9f38b08C.eqId9a19f81624ec431494b1feeb88f12bdfD.eqIda2a0ce3781fa4c26b624f5966b7dee44
多选题 | 一般(0.65) |
8 . 如图,延长正方形eqId5ce7a06ae7a34393b92b5277978ac014的边eqId34c6b6e427744abfb88dc90b8c7c2111至点E,使得eqId86f1a3ef6383494fbfcc58f7970d882e,动点P从点A出发,沿正方形的边按逆时针方向运动一周后回到点A,若eqId518e97c58c4149ea994696f0e24e62f2,则下列判断正确的是(   )
说明: figure
A.满足eqIddb405cccf4aa4fb3bbbee1798e63b278的点P必为eqId0627be51821d4be7b3e024a354815d64的中点B.满足eqId02d9ddbb0735422fb9ad8d5d791d5270的点P有两个
C.满足eqId77ad29c7d99d49fc8287a2368fed2572的点P有且只有一个D.eqIdc410748b3958444095597d6342cbc0bf的的点P有两个
更新:2021/06/06组卷:236
9 . 如图,半径为1的扇形eqId5f0bfa1486d74501a6ac424f8d442778的圆心角为eqId62e24b0e15744029a67505f18ae7806d,点C在弧eqId99a3187c2b8f4bcc9703c74c3b72f1f3上,且eqIdce7cd604546146e486508d2345732823,若eqId7a8a5ae368394af0bcf7124a24d12129,则eqIdfc225095d4754cbdb84fdf5411a0d728(   )
说明: figure
A.eqId62dbc501cbe74612b657a1d9a2a864c5B.eqIda2a0ce3781fa4c26b624f5966b7dee44
C.eqIdf7d6b53ad41c46fdaa1cbdb9c26ced4dD.eqId7bcd573cee334383ad72cc4b179fcfb3
更新:2021/05/24组卷:833
10 . 地砖是一种地面装饰材料,也叫地板砖,用黏土绕制而成,质坚、耐压、耐磨、防潮,地板砖品种非常多,图案也多种多样,如图是某公司大厅的地板砖铺设方式,地板砖有正方形与正三角形两种形状,且它们的边长都相同,若eqId6caf49a8365e4dd89d04c3074fe82e8deqId43bb3ad8e0ea4ab79f319fa0598d831f,则eqIda3533ef5a193448db891d963a9b0dbf5(   )
说明: figure
A.eqId55d2395903da42e88b66159d9b1e1c06B.eqId5d47c3bf53234ee1a166aa83c75d664c
C.eqIde052051969474cc1ab9e1bc112ee9467D.eqIdd721c747772d4e34ab74991d9fc60ba5
更新:2021/05/22组卷:69
3道题,平均难度一般 清空试题 进入组卷中心
收起