Determinants — Quiz Answers

10 verified answers
5

Which expression represents the determinant of cap A is equal to the 2 by 2 matrix, row 1, column 1, negative 3 column 2, 6 row 2, column 1, 1 column 2, negative 6 ?

A
det times cap A is equal to negative 3 times negative 6 minus 1 times 6
B
det times cap A is equal to negative 3 times negative 6 plus 1 times 6
C
det times cap A is equal to 1 times 6 minus negative 3 times negative 6
D
det times cap A is equal to negative 3 times negative 6 plus negative 1 times negative 6
8

Which expression represents the determinant of cap A is equal to the 2 by 2 matrix, row 1, column 1, negative 6 column 2, negative 7 row 2, column 1, negative 4 column 2, negative 2 ?

A
det times cap A is equal to negative 4 times negative 7 plus negative 6 times negative 2
B
det times cap A is equal to negative 6 times negative 2 plus negative 4 times negative 7
C
det times cap A is equal to negative 6 times negative 2 minus negative 4 times negative 7
D
det times cap A is equal to negative 4 times negative 7 minus negative 6 times negative 2
10

Which expression represents the determinant of cap A is equal to the 2 by 2 matrix row 1, 2 3 row 2, 1 9 ?

A
det times cap A is equal to 2 times 9 plus 1 times 3
B
det times cap A is equal to 2 times 3 plus 1 times 9
C
det times cap A is equal to 2 times 9 minus 1 times 3
D
det times cap A is equal to 2 times 3 minus 1 times 9

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