Matrices - Find Determinant of Minor Matrix from Number (3x3) (Level 1)

Matrices - Find Determinant of Minor Matrix from Number (3x3)

Find the determinant of the 2x2 'minor' matrix for the '3' at row 3 and column 1

$A LaTex expression showing det(M sub 31 )\;for\left[ {\begin{array} {ccc} 5 & 4 & 4 \\ 2 & 4 & 0 \\ 3 & 6 & 4 \end{array} } \right]$

-16

-19

-10

-21

-22

Find the determinant of the 2x2 'minor' matrix for the '2' at row 3 and column 1

$A LaTex expression showing det(M sub 31 )\;for\left[ {\begin{array} {ccc} 5 & 3 & 9 \\ 3 & 5 & 7 \\ 2 & 1 & 0 \end{array} } \right]$

-17

-31

-24

-36

-6

Find the determinant of the 2x2 'minor' matrix for the '7' at row 2 and column 2

$A LaTex expression showing det(M sub 22 )\;for\left[ {\begin{array} {ccc} 8 & 1 & 1 \\ 4 & 7 & 3 \\ 5 & 8 & 8 \end{array} } \right]$

-18

-14

-11

Find the determinant of the 2x2 'minor' matrix for the '1' at row 3 and column 2

$A LaTex expression showing det(M sub 32 )\;for\left[ {\begin{array} {ccc} 6 & 2 & 6 \\ 3 & 4 & 0 \\ 4 & 1 & 3 \end{array} } \right]$

-16

-25

-8

-18

Find the determinant of the 2x2 'minor' matrix for the '8' at row 1 and column 1

$A LaTex expression showing det(M sub 11 )\;for\left[ {\begin{array} {ccc} 8 & 5 & 1 \\ 2 & 9 & 6 \\ 9 & 2 & 6 \end{array} } \right]$

-3

Find the determinant of the 2x2 'minor' matrix for the '6' at row 2 and column 3

$A LaTex expression showing det(M sub 23 )\;for\left[ {\begin{array} {ccc} 7 & 2 & 8 \\ 0 & 5 & 6 \\ 5 & 1 & 3 \end{array} } \right]$

-3

-2

-12

-5

Find the determinant of the 2x2 'minor' matrix for the '2' at row 2 and column 1

$A LaTex expression showing det(M sub 21 )\;for\left[ {\begin{array} {ccc} 1 & 4 & 1 \\ 2 & 0 & 1 \\ 3 & 3 & 4 \end{array} } \right]$

Find the determinant of the 2x2 'minor' matrix for the '3' at row 3 and column 1

$A LaTex expression showing det(M sub 31 )\;for\left[ {\begin{array} {ccc} 4 & 8 & 1 \\ 1 & 4 & 4 \\ 3 & 0 & 8 \end{array} } \right]$

-23