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  • What is (egin{pmatrix} 2 &-3\-4 &2end{pmatrix})+ (egin{pmatrix} -1 & -5\3 &-2end{pmatrix})?

    (egin{pmatrix} 1& -8\-1&0end{pmatrix})
    (egin{pmatrix} 1& 8\1&0end{pmatrix})
    (egin{pmatrix} -1& -8\1&0end{pmatrix})
    (egin{pmatrix} 1& 8\-1&0end{pmatrix})
  • What is (egin{pmatrix} 2 &-3\-4 &2end{pmatrix})- (egin{pmatrix} -1 & -5\3 &-2end{pmatrix})?

    (egin{pmatrix} -1 & -5\3 &-2end{pmatrix})
    (egin{pmatrix} -1 & -2\7 &4end{pmatrix})
    (egin{pmatrix} 3 & -5\3 &4end{pmatrix})
    (egin{pmatrix}3 & 2\-7 &4end{pmatrix})
  • What is (egin{pmatrix} 3&-5&4\-1&4&6end{pmatrix})+ (egin{pmatrix} -1&4&2\-5&-2&3end{pmatrix})?

    (egin{pmatrix} 2&-1&6\-6&2&-9end{pmatrix})
    (egin{pmatrix} 2&-1&6\-6&2&9end{pmatrix})
    (egin{pmatrix} 2&1&6\-6&2&-9end{pmatrix})
    (egin{pmatrix} 2&-1&6\6&2&9end{pmatrix})
  • What is (egin{pmatrix} 3&-5&4\-1&4&6end{pmatrix})- (egin{pmatrix} -1&4&2\-5&-2&3end{pmatrix})?

    (egin{pmatrix} 4&9&2\4&6&-3end{pmatrix})
    (egin{pmatrix} 4&9&2\4&-6&3end{pmatrix})
    (egin{pmatrix} -4&-9&2\-4&6&-3end{pmatrix})
    (egin{pmatrix} 4&-9&2\4&6&3end{pmatrix})
  • If A =(egin{pmatrix} -3&1\-2&4\5&-1end{pmatrix}) and B=(egin{pmatrix} 4&-3\0&-2\-2&4end{pmatrix}) then what is 3A- 2B?

     

     

    (egin{pmatrix} -17&19\-6&16\19&-10end{pmatrix})
    (egin{pmatrix} 17&9\6&16\19&11end{pmatrix})
    (egin{pmatrix} -17&5\-6&16\19&-11end{pmatrix})
    (egin{pmatrix} -17&9\-6&16\19&-11end{pmatrix})
  • If A =(egin{pmatrix} 2&1\5&-3end{pmatrix}) and B=(egin{pmatrix} -2&4\3&-2end{pmatrix}) then what is 2A- BT?

     

     

     

    (egin{pmatrix} 2&5\14&-8end{pmatrix})
    (egin{pmatrix} 2&15\-14&18end{pmatrix})
    (egin{pmatrix} -2&5\-14&-8end{pmatrix})
    (egin{pmatrix} 2&9\14&18end{pmatrix})
  • If A =(egin{pmatrix} 1&2&-3\-5&4&2end{pmatrix}) and B=(egin{pmatrix} -2&6&4\-1&-2&3end{pmatrix}) then what is 2A+5B?

     

    (egin{pmatrix} -18&34&14\-15&-12&19end{pmatrix})
    (egin{pmatrix} -8&34&14\-15&-2&19end{pmatrix})
    (egin{pmatrix} 8&34&14\-15&12&19end{pmatrix})
    (egin{pmatrix} 12&34&14\-15&-22&19end{pmatrix})
  • If A =(egin{pmatrix} 1&-2&\4&-3end{pmatrix}) and B=(egin{pmatrix} -1&4\6&-2end{pmatrix}) then what is 3AT+2BT?

     

    (egin{pmatrix} 5&-5&\-14&-5end{pmatrix})
    (egin{pmatrix} 5&0&\-14&-5end{pmatrix})
    (egin{pmatrix} -5&2&\-4&-5end{pmatrix})
    (egin{pmatrix} 5&0&\-14&-5end{pmatrix})
  • If matrix (egin{pmatrix} a-1&c&\d&b-1end{pmatrix}) is an identity matrix, find the values of a, b, c and d.

    0, 4, 6, 1
    1, 2, 5, 4
    2, 2, 0, 0
    2, 0, 6, 4
  • If matrix (egin{pmatrix} a-1&b-1&\c-1&d-1end{pmatrix}) is an identity matrix, find the values of a, b, c and d.

    2, 1, 1, 2
    1, 2, 2, 1
    1, 2, 4, 1
    1, 2, 3, 4
  • For what values of a and b the matrix (egin{pmatrix} 2&3a-6\2b-8&2end{pmatrix}) is an identity matrix?

    2, 4
    1, 2
    4, 2
    3, 5
  • Find the determinant of the matrices(egin{pmatrix} 1&2\3&4end{pmatrix})

    2
    -2
    -4
    5
  • Find the determinant of the matrices(egin{pmatrix} 1&-1\1&-1end{pmatrix})

    -2
    3
    1
    2
  • Find the determinant of the matrices(egin{pmatrix} 3&4\5&6end{pmatrix})

    1
    -2
    2
    -1
  • Find the determinant of the matrices(egin{pmatrix} 0&4\2&3end{pmatrix})

    12
    -8
    9
    5
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