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沪教版(上海) 高二第一学期 新高考辅导与训练 第8章 平面向量的坐标表示 阶段训练5
适用年级:高二 试卷类型:课时练习 试题总数:16 浏览次数:28 上传日期:2020-06-30
1 . 若eqIdb7a4c8b109b741dcbed4a3dd593e1aca三点共线,则eqId70c52126b23a4d5388d832c32cc794a4______.
更新:2020/06/30难度:0.85题型:填空题组卷:47
2 . 已知eqId39386333188642e1a86716179ad68d73,若eqId78f2396c2bc94df1a4e422b517936997,则eqIdd638d74512c34332845362f7b4769549______.
更新:2020/06/30难度:0.94题型:填空题组卷:53
3 . 若向量eqIdbf80e33f8af0497793eeb1eb2a0e416eeqId26d0383ebc3f44c2984e80b88390a5f5满足eqId0ea781ca6ae6406a85a265466c86a087,且eqIdb20ec39b121d434eabe702161de5a019,则eqId26d0383ebc3f44c2984e80b88390a5f5eqIdbf80e33f8af0497793eeb1eb2a0e416e方向上的投影是_____.
更新:2020/06/30难度:0.85题型:填空题组卷:62
4 . 已知eqId64b9b599fdb6481e9f8d9a94c102300b的顶点eqIdd8d9d868c342454895dbd17ad22029e4和重心eqId6c5fce821ef5470f9ab795015f498c98,则eqId0627be51821d4be7b3e024a354815d64上的中点坐标是_____.
更新:2020/06/30难度:0.94题型:填空题组卷:13
更新:2020/06/30难度:0.85题型:填空题组卷:79
6 . 若点PeqId7bc6fc8794944e57a77be639d9d491b5所成的比为eqId5f51ce9cc7fe4412baeb871cceb26665,则点BeqId7e7537c66f454a9dbc641e1670850a5e所成的比是______.
更新:2020/06/30难度:0.94题型:填空题组卷:6
7 . 已知eqId8de27b2ae89f4e3f9491d571c75ad1eb,则向量eqIdbf80e33f8af0497793eeb1eb2a0e416eeqId26d0383ebc3f44c2984e80b88390a5f5的夹角为_______.
更新:2020/06/30难度:0.85题型:填空题组卷:96
8 . 已知eqIdda6a93a8f9714419af35db9a928a90cd,且eqId2cd9641c218946b292db86064586e8bd,则eqIde2b53d1f15a140908005a118d8b91cf3_______.
更新:2020/06/30难度:0.85题型:填空题组卷:36
9 . 设eqIda21d13ee244d415d9752e683b1f1853feqId21faeda4538e49368b30e49440d04230是非零向量,“eqId7b6a43ce5a9d4d759a9a7c778c0a1de8”是“eqIdce78f78c105f40628dc4359f9e1b6199”的()
A.充分而不必要条件B.必要而不充分条件
C.充分必要条件D.既不充分也不必要条件
更新:2020/06/30难度:0.65题型:单选题组卷:1932
10 . 已知点eqId2efda802d5534f6d92d9f8af7aaec28beqId992fe44057cf4492895193f3f5398449内一点,且eqIdcf12c72fd5314d56964184e9568e66f4,则eqId2efda802d5534f6d92d9f8af7aaec28beqId992fe44057cf4492895193f3f5398449的(   )
A.垂心B.重心C.内心D.外心
更新:2020/06/30难度:0.65题型:单选题组卷:681
11 . 若eqId988448303f59490eb6e10cca484348e3是任意平面向量,eqIda2b0c192deab48e2af4358c1140d0020,给出下列等式:
eqId2eacbca9908f406a8eb415edd65d2f0f;②eqIdf785011648d34b0bb0cc3b40bc98e6db;③eqId5052645409ba425a8f80f4c37c9c7ac5;④eqId7ea5149f41754691a639c7cf1b2804b9;⑤eqIdc68cc73e622d407ebb06bd276167e9f4
其中正确的等式个数是(   ).
A.2B.3C.4D.5
更新:2020/06/30难度:0.94题型:单选题组卷:19
12 . 如图,四边形eqId4ec026421d4e4f329ea833cadeb5b70b是以向量eqIdf34ffbefca1d43b399693dab07d95057为邻边的平行四边形,D是对角线的交点,eqId868c8cbe0aea481bb25b2e9ea2ccffeceqId68e42b903eda42cb845b62db7bc22a53.试用eqId2afa2d9bb3884033b198af61485b188a表示eqId0f9592d2b2054453bfcf1a8642e092e5figure
更新:2020/06/30难度:0.65题型:解答题组卷:15
13 . 已知单位向量eqId2afa2d9bb3884033b198af61485b188a满足eqId3a0d6d55179b4fc9a27329679a8674b5,求eqId60ba74a546a14432be40826174811d90
更新:2020/06/30难度:0.85题型:解答题组卷:18
14 . 设eqIde10c5a5cf98c45cabe279aa2c051ab12是单位向量,且eqId1e3c7776d0c142eb98ebcf7be48cd288,求eqId2fd824bf78964e32a3172d08e9102e3f的最小值.
更新:2020/06/30难度:0.65题型:解答题组卷:91
15 . 已知eqId288f8fb6cbe542908812c0f0116e4232eqIdbf80e33f8af0497793eeb1eb2a0e416eeqId26d0383ebc3f44c2984e80b88390a5f5的夹角是eqId87a9bbb6dd564186905f2064b8c22182,求使向量eqIdb4f4fd2e0a06458ea89bb162eb74712aeqId3c2da100f9944ff1a82c342b7ee3ae37的夹角是锐角时eqId5f420ef2d0b94c4b8a5d8e20a5d1ce2c的取值范围.
更新:2020/06/30难度:0.65题型:解答题组卷:43
16 . 在eqId805e5cd823ed42589e994b37883e1aab中,eqId953a3c69476546719be8279b01f287a6,求eqIda347790a9cf54049909fb8b53c944fb7的值.
更新:2020/06/30难度:0.65题型:解答题组卷:21