西南大学19秋[0044] 线性代数在线作业
0044 线性代数1.[单选题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528631033097654.png" title="201608301472528631033097654.png" alt="blob.png"/>
奥鹏作业答案可以联系QQ 761296021
A.2
B.0
C.1
D.-1
2.[单选题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526754454085603.png" title="201608301472526754454085603.png" alt="blob.png"/>
A.0，1，2，3
B.1，2，3，4
C.0，1，2
D.1，2，3
3.[单选题]下列各向量组线性相关的是( ).
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526846247005768.png" title="201608301472526846247005768.png" alt="blob.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526864718076196.png" title="201608301472526864718076196.png" alt="blob.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526873208034099.png" title="201608301472526873208034099.png" alt="blob.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526856062077781.png" title="201608301472526856062077781.png" alt="blob.png"/>
4.[单选题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472524779771062080.png" title="201608301472524779771062080.png" alt="blob.png"/>
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472524812925033147.png" title="201608301472524812925033147.png" alt="blob.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472524829008048720.png" title="201608301472524829008048720.png" alt="blob.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472524805009054990.png" title="201608301472524805009054990.png" alt="blob.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472524820732061304.png" title="201608301472524820732061304.png" alt="blob.png"/>
5.[单选题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525736418068820.png" title="201608301472525736418068820.png" alt="blob.png"/>
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525781186055147.png" title="201608301472525781186055147.png" alt="blob.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525769425019854.png" title="201608301472525769425019854.png" alt="blob.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525793907063527.png" title="201608301472525793907063527.png" alt="blob.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525756980086622.png" title="201608301472525756980086622.png" alt="blob.png"/>
6.[单选题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526949541082822.png" title="201608301472526949541082822.png" alt="blob.png"/>
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526961869012973.png" title="201608301472526961869012973.png" alt="blob.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526970432030333.png" title="201608301472526970432030333.png" alt="blob.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526978850028104.png" title="201608301472526978850028104.png" alt="blob.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526988952037584.png" title="201608301472526988952037584.png" alt="blob.png"/>
7.[单选题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528714401071235.png" title="201608301472528714401071235.png" alt="blob.png"/>
A.E.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528759072084078.png" title="201608301472528759072084078.png" alt="blob.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528751349063257.png" title="201608301472528751349063257.png" alt="blob.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528743996064364.png" title="201608301472528743996064364.png" alt="blob.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528735448011058.png" title="201608301472528735448011058.png" alt="blob.png"/>
8.[单选题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528074837013235.png" title="201608301472528074837013235.png" alt="blob.png"/>
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528095832079308.png" title="201608301472528095832079308.png" alt="blob.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528113905020829.png" title="201608301472528113905020829.png" alt="blob.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528104486027525.png" title="201608301472528104486027525.png" alt="blob.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528087253019549.png" title="201608301472528087253019549.png" alt="blob.png"/>
9.[单选题]下列矩阵为正交矩阵的是( ).
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528849916037655.png" title="201608301472528849916037655.png" alt="blob.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528858361085643.png" title="201608301472528858361085643.png" alt="blob.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528840694090647.png" title="201608301472528840694090647.png" alt="blob.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528866729044306.png" title="201608301472528866729044306.png" alt="blob.png"/>
10.[单选题]矩阵A与B相似, 则下列说法不正确的是（ ）
A.style="text-indent:32px">A与B有相同的特征值
B.A = B
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472524743192090079.png" title="201608301472524743192090079.png" alt="blob.png"/>
D.R(A) = R(B)
11.[单选题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527855543038216.png" title="201608301472527855543038216.png" alt="blob.png"/>
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527955966030146.png" title="201608301472527955966030146.png" alt="blob.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527869287079174.png" title="201608301472527869287079174.png" alt="blob.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527968358000214.png" title="201608301472527968358000214.png" alt="blob.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527880604019939.png" title="201608301472527880604019939.png" alt="blob.png"/>
12.[单选题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472524529248071042.png" title="201608301472524529248071042.png" alt="blob.png"/>
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472524589484091930.png" title="201608301472524589484091930.png" alt="blob.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472524555278005663.png" title="201608301472524555278005663.png" alt="blob.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472524579220078627.png" title="201608301472524579220078627.png" alt="blob.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472524597273062104.png" title="201608301472524597273062104.png" alt="blob.png"/>
13.[单选题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528775259012732.png" title="201608301472528775259012732.png" alt="blob.png"/>
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528812558036070.png" title="201608301472528812558036070.png" alt="blob.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528795766097093.png" title="201608301472528795766097093.png" alt="blob.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528804679065553.png" title="201608301472528804679065553.png" alt="blob.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528787577060485.png" title="201608301472528787577060485.png" alt="blob.png"/>
14.[单选题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472524673459020898.png" title="201608301472524673459020898.png" alt="blob.png"/>
A.F.A的列向量组线性无关
B.线性方程组的增广矩阵的任意四个列向量线性无关
C.线性方程组的增广矩阵的列向量组线性无关
D.线性方程组的增广矩阵的行向量组线性无关
15.[单选题]下列各向量组线性相关的是( ).
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528013047013432.png" title="201608301472528013047013432.png" alt="blob.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528029241075965.png" title="201608301472528029241075965.png" alt="blob.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528021070092021.png" title="201608301472528021070092021.png" alt="blob.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528004119051221.png" title="201608301472528004119051221.png" alt="blob.png"/>
16.[单选题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525928850084480.png" title="201608301472525928850084480.png" alt="blob.png"/>
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525968684094242.png" title="201608301472525968684094242.png" alt="blob.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525952915051888.png" title="201608301472525952915051888.png" alt="blob.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525945376032777.png" title="201608301472525945376032777.png" alt="blob.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525960723037573.png" title="201608301472525960723037573.png" alt="blob.png"/>
17.[单选题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525984461070332.png" title="201608301472525984461070332.png" alt="blob.png"/>
A.负定的
B.<span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">正定的</span></span>
C.半正定的
D.style="text-indent:14px;line-height:150%">不定的
18.[单选题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528046141078806.png" title="201608301472528046141078806.png" alt="blob.png"/>
A.必有r个列向量线性无关
B.任意r个列向量都构成最大线性无关组
C.任何一个列向量都可以由其它r个列向量线性表出
D.任意r个列向量线性无关
19.[单选题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526895342029607.png" title="201608301472526895342029607.png" alt="blob.png"/>
A.0
B.1
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526917836026102.png" title="201608301472526917836026102.png" alt="blob.png"/>
D.<span style=";font-family:'Times New Roman';font-size:14px">?0</span><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">或</span></span><span style=";font-family:'Times New Roman';font-size:14px">1</span>
20.[单选题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527777558052340.png" title="201608301472527777558052340.png" alt="blob.png"/>
A.A. <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527810050032800.png" title="201608301472527810050032800.png" alt="blob.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527820676001866.png" title="201608301472527820676001866.png" alt="blob.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527800666078627.png" title="201608301472527800666078627.png" alt="blob.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527789765059049.png" title="201608301472527789765059049.png" alt="blob.png"/>
21.[单选题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528658147017238.png" title="201608301472528658147017238.png" alt="blob.png"/>
A.2
B.4
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528684656057518.png" title="201608301472528684656057518.png" alt="blob.png"/>
D.1
22.[单选题]
<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526798013072347.png" title="201608301472526798013072347.png" alt="blob.png"/>
A.C.必有一列向量可有其余列向量线性表示
B.必有两列元素对应成比例
C.任一列向量是其余列向量的线性组合
D.必有一列元素全为0
23.[单选题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472524633676068287.png" title="201608301472524633676068287.png" alt="blob.png"/>
A.D.A有n个互异特征值
B.A是实对称阵
C.A有n个线性无关的特征向量
D.A的特征向量两两正交
24.[单选题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525880627086191.png" title="201608301472525880627086191.png" alt="blob.png" width="522" height="27" style="width: 522px; height: 27px;"/>
A.B.A的行向量组线性相关
B.A的行向量组线性无关
C.<em>A</em>的列向量组线性无关
D.A的列向量组线性无关
25.[单选题]在下列矩阵中，可逆的是( ).
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525689512040155.png" title="201608301472525689512040155.png" alt="blob.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525706648045651.png" title="201608301472525706648045651.png" alt="blob.png"/> 无忧答案网 微信761296021
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525698192094017.png" title="201608301472525698192094017.png" alt="blob.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525715547052006.png" title="201608301472525715547052006.png" alt="blob.png"/>
26.[判断题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528160919044533.png" title="201608301472528160919044533.png" alt="blob.png"/>
A.正确
B.错误
27.[判断题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528902811061214.png" title="201608301472528902811061214.png" alt="blob.png"/>
A.正确
B.错误
28.[判断题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527030793015787.png" title="201608301472527030793015787.png" alt="blob.png"/>
A.正确
B.错误
29.[判断题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528934656026685.png" title="201608301472528934656026685.png" alt="blob.png"/>
A.正确
B.错误
30.[判断题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528172287067996.png" title="201608301472528172287067996.png" alt="blob.png"/>
A.正确
B.错误
31.[判断题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528915817095284.png" title="201608301472528915817095284.png" alt="blob.png"/>
A.正确
B.错误
32.[判断题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525140508029622.png" title="201608301472525140508029622.png" alt="blob.png"/>
A.正确
B.错误
33.[判断题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528134262055905.png" title="201608301472528134262055905.png" alt="blob.png"/>
A.正确
B.错误
34.[判断题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527078913053208.png" title="201608301472527078913053208.png" alt="blob.png"/>
A.正确
B.错误
35.[判断题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528891006018767.png" title="201608301472528891006018767.png" alt="blob.png"/>
A.正确
B.错误
36.[判断题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525106849038554.png" title="201608301472525106849038554.png" alt="blob.png"/>
A.正确
B.错误
37.[判断题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528961751055311.png" title="201608301472528961751055311.png" alt="blob.png"/>
A.正确
B.错误
38.[判断题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528196684041876.png" title="201608301472528196684041876.png" alt="blob.png"/>
A.正确
B.错误
39.[判断题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527090842012847.png" title="201608301472527090842012847.png" alt="blob.png"/>
A.正确
B.错误
40.[判断题]设A、B为两个不可逆的同阶方阵，则|A| = |B| （ ）
A.正确
B.错误
41.[判断题]转置运算不改变方阵的行列式、秩和特征值. ( )
A.正确
B.错误
42.[判断题]
若Ax = 0只有零解，则Ax = b (b ≠ 0)有唯一解. ( )
A.正确
B.错误
43.[判断题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527018104044828.png" title="201608301472527018104044828.png" alt="blob.png"/>
A.正确
B.错误
44.[判断题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528149422056747.png" title="201608301472528149422056747.png" alt="blob.png"/>
A.正确
B.错误
45.[判断题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526122045020100.png" title="201608301472526122045020100.png" alt="blob.png"/>
A.正确
B.错误
46.[判断题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525123692090523.png" title="201608301472525123692090523.png" alt="blob.png"/>
A.正确
B.错误
47.[判断题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527065339023546.png" title="201608301472527065339023546.png" alt="blob.png"/>
A.正确
B.错误
48.[判断题]设 A、B为n阶方阵，且AB = 0，但 |A| 1 0，则B = 0. ( )
A.正确
B.错误
49.[判断题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525094570051261.png" title="201608301472525094570051261.png" alt="blob.png"/>
A.正确
B.错误
50.[判断题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526045806063225.png" title="201608301472526045806063225.png" alt="blob.png"/>
A.正确
B.错误
51.[主观填空题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528506830081253.png" title="201608301472528506830081253.png" alt="blob.png"/>
A.
52.[主观填空题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527514856087008.png" title="201608301472527514856087008.png" alt="blob.png"/>
A.
53.[主观填空题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526604906093842.png" title="201608301472526604906093842.png" alt="blob.png"/>
A.
54.[主观填空题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528531846072655.png" title="201608301472528531846072655.png" alt="blob.png"/>
A.
55.[问答题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472529108162055066.png" title="201608301472529108162055066.png" alt="blob.png"/>
A.
56.[问答题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527114441023987.png" title="201608301472527114441023987.png" alt="blob.png"/>
A.
57.[问答题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525380657017481.png" title="201608301472525380657017481.png" alt="blob.png"/>
A.
58.[问答题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526416252073886.png" title="201608301472526416252073886.png" alt="blob.png"/>
A.
59.[问答题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525202412054210.png" title="201608301472525202412054210.png" alt="blob.png"/>
A.
60.[问答题]<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472529218263068313.png" title="201608301472529218263068313.png" alt="blob.png"/>
A.
附件是答案，核对题目下载
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