22春西南大学《0044线性代数》在线作业
0044 线性代数1.[单选题] <img title="202011141605362495416000743.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605362495416000743.png"/> （ ）
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A.<img title="202011141605362550699015402.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605362550699015402.png"/>
B.<img title="202011141605362517012049976.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605362517012049976.png"/>
C.<img title="202011141605362534449044811.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605362534449044811.png"/>
D.<img title="202011141605362569555006068.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605362569555006068.png"/>
2.[单选题] <img title="202011111605084317502011809.png" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605084317502011809.png"/>（ ）
A.<img title="202011111605084460913061015.png" alt="000d.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605084460913061015.png"/>
B.<img title="202011111605084439978014738.png" alt="000a.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605084439978014738.png"/>
C.<img title="202011111605084447061084682.png" alt="000b.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605084447061084682.png"/>
D.<img title="202011111605084454831029729.png" alt="000c.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605084454831029729.png"/>
3.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605408649419049148.png" title="202011151605408649419049148.png" alt="image.png"/>（ ）
A.4
B.1
C.3
D.2
4.[单选题] <img title="202011141605362359825025131.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605362359825025131.png"/>（ ）
A.<img title="202011141605362423154011972.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605362423154011972.png"/>
B.<img title="202011141605362456179077618.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605362456179077618.png"/>
C.<img title="202011141605362386722088136.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605362386722088136.png"/>
D.<img title="202011141605362403588066322.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605362403588066322.png"/>
5.[单选题] <img title="202011141605363089764097065.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605363089764097065.png"/>（ ）
A.A的列向量组线性无关
B.A的列向量组线性相关
C.A的行向量组线性无关
D.A的行向量组线性相关
6.[单选题] <img title="202011141605361918265003142.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605361918265003142.png"/>（ ）
A.<img title="202011141605361978743094874.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605361978743094874.png"/>
B.<img title="202011141605361962375056243.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605361962375056243.png"/>
C.<img title="202011141605361941339097449.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605361941339097449.png"/>
D.<img title="202011141605361996557088803.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605361996557088803.png"/>
7.[单选题] <img title="202011111605084628300016651.png" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605084628300016651.png"/>（ ）
A.2,4,6
B.1, 2, 3
C.1/2, 1, 3/2
D.2, 1, 2/3
8.[单选题] <img title="202011141605362028506008391.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605362028506008391.png"/> （ ）
A.必有一列元素全为0
B.必有两列元素对应成比例
C.必有一列向量可有其余列向量线性表示
D.任一列向量是其余列向量的线性组合
9.[单选题] <img title="202011111605082255638068271.png" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605082255638068271.png"/>（ ）
A.有无穷多个解
B.以上选项都不对
C.存在唯一解
D.无解
10.[单选题] <img title="202011141605366965162073155.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605366965162073155.png"/>（ ）
A.<img title="202011141605367050266037947.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605367050266037947.png"/>
B.<img title="202011141605367015259037877.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605367015259037877.png"/>
C.<img title="202011141605366996404073578.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605366996404073578.png"/>
D.<img title="202011141605367032252099100.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605367032252099100.png"/>
11.[单选题] 在下列矩阵中，可逆的矩阵是（ ）
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605407449765079470.png" title="202011151605407449765079470.png" alt="image.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605407424857045150.png" title="202011151605407424857045150.png" alt="image.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605407502756086785.png" title="202011151605407502756086785.png" alt="image.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605407482229073414.png" title="202011151605407482229073414.png" alt="image.png"/>
12.[单选题] <img title="202011141605367361678088326.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605367361678088326.png"/>（ ）
A.<img title="202011141605367462928017506.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605367462928017506.png"/>
B.<img title="202011141605367423960066935.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605367423960066935.png"/>
C.<img title="202011141605367443409014383.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605367443409014383.png"/>
D.<img title="202011141605367404917043079.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605367404917043079.png"/>
13.[单选题] 下列关于未知量x,y,z的方程是线性方程的是（ ）
A.<img src="data:image/png;base64,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"/>
B.<img src="data:image/png;base64,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"/>
C.<img src="data:image/png;base64,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"/>
D.<img src="data:image/png;base64,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"/>
14.[单选题] <img title="202011141605366703355028977.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605366703355028977.png"/>（ ）
A.A.0，1，2
B.1，2，3
C.1，2，3，4
D.0，1，2，3
15.[单选题] <img title="202011141605361404390014597.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605361404390014597.png"/> （ ）
A.<img title="202011141605361426483044196.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605361426483044196.png"/>
B.<img title="202011141605361467577018933.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605361467577018933.png"/>
C.<img title="202011141605361489649022853.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605361489649022853.png"/>
D.<img title="202011141605361447376055345.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605361447376055345.png"/>
16.[单选题] <img title="202011111605082941136077402.png" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605082941136077402.png"/>（ ）
A.-2
B.1
C.2
D.-1
17.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605416113532078717.png" title="202011151605416113532078717.png" alt="image.png"/>（ ）
A.16
B.48
C.-16
D.-48
18.[单选题] <img title="202011141605366408699081369.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605366408699081369.png"/>（ ）
A.-10
B.10
C.5
D.-5
19.[单选题] <img title="202011111605082807995004483.png" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605082807995004483.png"/>（ ）
A.<img title="202011111605082853057043323.png" alt="000d.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605082853057043323.png"/>
B.<img title="202011111605082843961007420.png" alt="000c.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605082843961007420.png"/>
C.<img title="202011111605082834575021434.png" alt="000b.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605082834575021434.png"/>
D.<img title="202011111605082824836082070.png" alt="000a.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605082824836082070.png"/>
20.[单选题] <img title="202011141605366467338016748.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605366467338016748.png"/> （ ）
A.<img title="202011141605366569094007092.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605366569094007092.png"/>
B.<img title="202011141605366525510033721.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605366525510033721.png"/>
C.<img title="202011141605366551999053099.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605366551999053099.png"/>
D.<img title="202011141605366502966075212.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605366502966075212.png"/>
21.[单选题] <img title="202011111605082480584058352.png" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605082480584058352.png"/>（ ）
A.16
B.2
C.8
D.4
22.[单选题] 设A为n阶方阵, 且秩R(A) = r n, 那么A的列向量组的秩（ ）
A.F.小于r
B.等于n
C.等于r
D.大于r
23.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605408395351029188.png" title="202011151605408395351029188.png" alt="image.png"/>（ ）
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605408442809024659.png" title="202011151605408442809024659.png" alt="image.png" width="74" height="56" style="width: 74px; height: 56px;"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605408478399025559.png" title="202011151605408478399025559.png" alt="image.png" width="81" height="62" style="width: 81px; height: 62px;"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605408425994065423.png" title="202011151605408425994065423.png" alt="image.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605408458552069764.png" title="202011151605408458552069764.png" alt="image.png" width="78" height="45" style="width: 78px; height: 45px;"/>
24.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605407213545048910.png" title="202011151605407213545048910.png" alt="image.png"/>（ ）
A.将B矩阵的第二行加到第一行
B.将B矩阵的第二列加到第一列
C.AB=BA
D.r(AB)=2
25.[单选题] 以123456为标准排列，则排列253146的逆序数是（ ）
A.4
B.3
C.5
D.2
26.[单选题] 设A, B均为n阶方阵, E为n阶单位矩阵, 则有（ ）
A.<img title="202011111605083805802015904.png" alt="000a.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605083805802015904.png"/>
B.<img title="202011111605083818634088241.png" alt="000c.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605083818634088241.png"/>
C.<img title="202011111605083824912049186.png" alt="000d.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605083824912049186.png"/>
D.<img title="202011111605083811417085703.png" alt="000b.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605083811417085703.png"/>
27.[单选题] <img title="202011141605362856340037166.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605362856340037166.png"/>（ ）
A.E.<img title="202011141605362948176030212.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605362948176030212.png"/>
B.<img title="202011141605362930497079768.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605362930497079768.png"/>
C.<img title="202011141605362916073020621.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605362916073020621.png"/>
D.<img title="202011141605362901463008140.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605362901463008140.png"/>
28.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605408318723072948.png" title="202011151605408318723072948.png" alt="image.png"/>（ ）
A.存在非零解
B.无解
C.以上选项都不对
D.只有零解
29.[单选题] 设3阶矩阵A与B相似，且已知A的特征值为-1，1，-7. 则|B| =（ ）
A.12
B.1/12
C.1/7
D.7
30.[单选题] 设n阶方阵A秩为n，下式不正确的是（ ）
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605408111857079246.png" title="202011151605408111857079246.png" alt="image.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605408095814092813.png" title="202011151605408095814092813.png" alt="image.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605408152497043263.png" title="202011151605408152497043263.png" alt="image.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605408131424092316.png" title="202011151605408131424092316.png" alt="image.png"/>
31.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605408512156089339.png" title="202011151605408512156089339.png" alt="image.png"/> （ ）
A.-3
B.-2
C.2
D.3
32.[单选题] <img title="202011111605083057416099209.png" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605083057416099209.png"/> （ ）
A.<img title="202011111605083075760048121.png" alt="000a.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605083075760048121.png"/>
B.<img title="202011111605083097553023385.png" alt="000d.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605083097553023385.png"/>
C.<img title="202011111605083089693026096.png" alt="000c.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605083089693026096.png"/>
D.<img title="202011111605083082472081394.png" alt="000b.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605083082472081394.png"/>
33.[单选题] <img title="202011141605361674211004956.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605361674211004956.png"/> （ ）
A.<img title="202011141605361730967009019.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605361730967009019.png"/>
B.<img title="202011141605361761471063476.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605361761471063476.png"/>
C.<img title="202011141605361790240044869.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605361790240044869.png"/>
D.<img title="202011141605361705473016767.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605361705473016767.png"/>
34.[单选题] <img title="202011151605421082314059274.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605421082314059274.png"/> （ ）
A.<img title="202011151605455057902061846.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605455057902061846.png"/>
B.<img title="202011151605455103118008308.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605455103118008308.png"/>
C.<img title="202011151605455139535037483.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605455139535037483.png"/>
D.<img title="202011151605455018841037292.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605455018841037292.png"/>
35.[单选题] <img title="202011141605366333573021516.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605366333573021516.png"/>（ ）
A.无解
B.以上选项都不对
C.有无穷多个解
D.存在唯一解
36.[单选题] <img title="202011111605083966265082395.png" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605083966265082395.png"/> （ ）
A.<img title="202011111605083981641048158.png" alt="000a.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605083981641048158.png"/>
B.<img title="202011111605083989571078301.png" alt="000b.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605083989571078301.png"/>
C.<img title="202011111605084003255082039.png" alt="000d.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605084003255082039.png"/>
D.<img title="202011111605083996123066413.png" alt="000c.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605083996123066413.png"/>
37.[单选题] 如果n阶矩阵A的一个特征值为3, 那么必有（ ）
A.<img title="202011141605366820140077599.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605366820140077599.png"/>
B.<img title="202011141605366835212053639.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605366835212053639.png"/>
C.<img title="202011141605366797782036134.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605366797782036134.png"/>
D.<img title="202011141605366853397005576.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605366853397005576.png"/>
38.[单选题] <img title="202011141605361818107063566.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605361818107063566.png"/>（ ）
A.-2
B.3
C.2
D.0
39.[单选题] <img title="202011141605362121118036954.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605362121118036954.png"/>（ ）
A.3
B.2
C.1
D.0
40.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605408700652099483.png" title="202011151605408700652099483.png" alt="image.png"/>（ ）
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605408765215044785.png" title="202011151605408765215044785.png" alt="image.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605408747918049585.png" title="202011151605408747918049585.png" alt="image.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605408727192065180.png" title="202011151605408727192065180.png" alt="image.png"/>
D.以上选项都不对
41.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605408561136097398.png" title="202011151605408561136097398.png" alt="image.png"/>（ ）
A.(1，1，0)
B.(-3，0，2)
C.(0，-1，0)
D.(2，1，1)
42.[单选题] 以123456为标准排列，则排列154236的逆序数是（ ）
A.5
B.3
C.2 东北大学作业无忧答案网发布
D.4
43.[单选题] <img title="202011141605362749689018882.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605362749689018882.png"/>（ ）
A.<img title="202011141605362826361050237.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605362826361050237.png"/>
B.<img title="202011141605362805112041999.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605362805112041999.png"/>
C.<img title="202011141605362788730078132.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605362788730078132.png"/>
D.<img title="202011141605362772017045374.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605362772017045374.png"/>
44.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605406889773042140.png" title="202011151605406889773042140.png" alt="image.png"/>（ ）
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605406926897019750.png" title="202011151605406926897019750.png" alt="image.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605406946530055033.png" title="202011151605406946530055033.png" alt="image.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605406964433055804.png" title="202011151605406964433055804.png" alt="image.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605406980833079571.png" title="202011151605406980833079571.png" alt="image.png"/>
45.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605407014996007833.png" title="202011151605407014996007833.png" alt="image.png"/> （ ）
A.4
B.2
C.3
D.1
46.[单选题] <img title="202011141605367488517025991.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605367488517025991.png"/>（ ）
A.2
B.1
C.0，1
D.1，2
47.[单选题] <img title="202011141605362980771094074.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605362980771094074.png"/>（ ）
A.B.<img title="202011141605363036225054703.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605363036225054703.png"/>
B.<em>A</em>
C.<img title="202011141605363019886081207.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605363019886081207.png"/>
D.<img title="202011141605363002785051786.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605363002785051786.png"/>
48.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605408183055035405.png" title="202011151605408183055035405.png" alt="image.png"/>（ ）
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605408282546046099.png" title="202011151605408282546046099.png" alt="image.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605408265081003705.png" title="202011151605408265081003705.png" alt="image.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605408247193030410.png" title="202011151605408247193030410.png" alt="image.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605408224522079779.png" title="202011151605408224522079779.png" alt="image.png"/>
49.[单选题] <img title="202011141605361871469077622.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605361871469077622.png"/>（ ）
A.1
B.3
C.2
D.4
50.[单选题] <img title="202011201605865309161008456.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/20/202011201605865309161008456.png"/>（ ）
A.3
B.<img title="202011141605367299505088146.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605367299505088146.png"/>
C.<img title="202011141605367315779058416.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605367315779058416.png"/>
D.<img title="202011141605367283964034411.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605367283964034411.png"/>
51.[判断题] 齐次线性方程组的基础解系是该方程组的所有解向量构成的向量组的极大无关组。（ ）
A.正确
B.错误
52.[判断题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605411011308094947.png" title="202011151605411011308094947.png" alt="image.png"/>（ ）
A.正确
B.错误
53.[判断题] 若两个向量组等价，则它们的极大无关组也等价。（ ）
A.正确
B.错误
54.[判断题] 矩阵左端乘上若干个初等矩阵就是对矩阵实施若干次初等列变换。（ ）
A.正确
B.错误
55.[判断题] 设A、B均为n阶可逆矩阵，且AB = BA，则AB-1=B-1A.。（ ）
A.正确
B.错误
56.[判断题] <img title="202011111605085292843070465.png" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605085292843070465.png"/>。（ ）
A.正确
B.错误
57.[判断题] 如果两个向量组中的向量个数相等，则这两个向量组等价。（ ）
A.正确
B.错误
58.[判断题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605411047412045329.png" title="202011151605411047412045329.png" alt="image.png"/>（ ）
A.正确
B.错误
59.[判断题] 由mxn个数按一定顺序构成的有m行n列的数表称为mxn矩阵。（ ）
A.正确
B.错误
60.[判断题] <img title="202011141605364503679083408.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605364503679083408.png"/> 。（ ）
A.正确
B.错误
61.[判断题] <img title="202011141605369158940077532.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605369158940077532.png"/> （ ）
A.正确
B.错误
62.[判断题] 任意m+1个m维向量必然线性相关。（ ）
A.正确
B.错误
63.[判断题] 设A为2阶方阵，则|-5A|= 25|A|。（ ）
A.正确
B.错误
64.[判断题] <img title="202011141605364385022032312.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605364385022032312.png"/> （ ）
A.正确
B.错误
65.[判断题] 不同特征值对应的特征向量必线性无关。（ ）
A.正确
B.错误
66.[判断题] 满秩方阵等价于同阶单位阵。（ ）
A.正确
B.错误
67.[判断题] 单位矩阵的所有元素都是1。（ ）
A.正确
B.错误
68.[判断题] 一个非零实对称矩阵一定对应一个二次型。（ ）
A.正确
B.错误
69.[判断题] <img title="202011111605084920721052135.png" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605084920721052135.png" width="524" height="73" style="width: 524px; height: 73px;"/>。（ ）
A.正确
B.错误
70.[判断题] 初等矩阵的行列式都等于1。（ ）
A.正确
B.错误
71.[判断题] 若A、B为两个不可逆的同阶方阵，两矩阵的行列式都为0。（ ）
A.正确
B.错误
72.[判断题] 如果n阶方阵A有n个线性无关的的特征向量，则A可对角化。（ ）
A.正确
B.错误
73.[判断题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605410951553008148.png" title="202011151605410951553008148.png" alt="image.png"/> （ ）
A.正确
B.错误
74.[判断题] 若齐次线性方程组Ax = 0仅有零解，则A的列向量组一定线性无关。（ ）
A.正确
B.错误
75.[判断题] 设A、B为两个不可逆的同阶方阵，两矩阵的秩相等.（ ）
A.正确
B.错误
76.[判断题] 在方阵中，对应于同一特征值的特征向量线性相关。（ ）
A.正确
B.错误
77.[判断题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605411107195053171.png" title="202011151605411107195053171.png" alt="image.png"/> （ ）
A.正确
B.错误
78.[判断题] 对矩阵实施初等列变换就是在矩阵右端乘上若干个初等矩阵。（ ）
A.正确
B.错误
79.[判断题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605410982640086113.png" title="202011151605410982640086113.png" alt="image.png"/>（ ）
A.正确
B.错误
80.[判断题] 若Ax = b (b ≠ 0)有唯一解，则Ax = 0只有零解。 （ ）
A.正确
B.错误
81.[判断题] <img title="202011141605369256325065224.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605369256325065224.png"/> （ ）
A.正确
B.错误
82.[判断题] 两个同型矩阵的行数相同且列数也相同。（ ）
A.正确
B.错误
83.[判断题] 将线性方程组中所有常量按位置顺序构成的矩阵为系数矩阵。（ ）
A.正确
B.错误
84.[判断题] <img title="202011111605085425225064767.png" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605085425225064767.png"/> 。（ ）
A.正确
B.错误
85.[判断题] 若线性方程组的系数矩阵与增广矩阵的秩相等，则该方程组有无穷解。（ ）
A.正确
B.错误
86.[判断题] <img title="202011141605368972664071745.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605368972664071745.png"/>。 （ ）
A.正确
B.错误
87.[判断题] 矩阵的乘积满足结合律。（ ）
A.正确
B.错误
88.[判断题] <img title="202011111605085376472027217.png" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605085376472027217.png"/>。（ ）
A.正确
B.错误
89.[判断题] <img title="202011141605364593700003402.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605364593700003402.png"/> 。（ ）
A.正确
B.错误
90.[判断题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/29/202011291606636517270018012.png" title="202011291606636517270018012.png" alt="image.png"/>
A.正确
B.错误
91.[判断题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/15/202011151605411140142050858.png" title="202011151605411140142050858.png" alt="image.png"/>（ ）
A.正确
B.错误
92.[判断题] 线性方程组的系数矩阵与增广矩阵的秩相等，那么该方程组一定有无穷解。（ ）
A.正确
B.错误
93.[判断题] 如果线性方程组的系数矩阵与增广矩阵的秩不相等，那么该方程组有无穷解。（ ）
A.正确
B.错误
94.[判断题] <img title="202011111605085337494032780.png" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/11/202011111605085337494032780.png"/> 。（ ）
A.正确
B.错误
95.[判断题] 方阵A可对角化的充要条件是A有n个不同的特征值. 。（ ）
A.正确
B.错误
96.[问答题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525237999033190.png" title="201608301472525237999033190.png" alt="blob.png"/>
A.
97.[问答题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525380657017481.png" title="201608301472525380657017481.png" alt="blob.png"/>
A.
98.[问答题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526416252073886.png" title="201608301472526416252073886.png" alt="blob.png"/>
A.
99.[问答题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525202412054210.png" title="201608301472525202412054210.png" alt="blob.png"/>
A.
100.[问答题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526233594017732.png" title="201608301472526233594017732.png" alt="blob.png"/>
A.
西南大学答案无忧答案网发布
页:
[1]