Determine the value of each variable.
-$$\left[ \begin{array} { r r r }
- 1 & 9 & - 6 \
1 & \mathrm {~m} & - 2
\end{array} \right] = \left[ \begin{array} { r r r }
\mathrm { x } & \mathrm { y } & - 6 \
1 & - 6 & - 2
\end{array} \right]$$
A) $x = 1 ; y = 9 ; m = 6$
B) $x = 1 ; y = - 9 ; m = 6$
C) $x = - 1 ; y = 9 ; m = - 6$
D) $x = 9 ; y = - 1 ; m = - 6$

Question

Determine the value of each variable.
-$$\left[ \begin{array} { r r r } 
- 1 & 9 & - 6 \
1 & \mathrm {~m} & - 2
\end{array} \right] = \left[ \begin{array} { r r r } 
\mathrm { x } & \mathrm { y } & - 6 \
1 & - 6 & - 2
\end{array} \right]$$
A) $x = 1 ; y = 9 ; m = 6$
B) $x = 1 ; y = - 9 ; m = 6$
C) $x = - 1 ; y = 9 ; m = - 6$
D) $x = 9 ; y = - 1 ; m = - 6$

Quizplus · Accepted Answer

The matrices are equal, so corresponding elements must be equal: $x = -1$, $y = 9$, and $m = -6$.

Determine the Value of Each Variable A) x=1;y=9;m=6x = 1 ; y = 9 ; m = 6x=1;y=9;m=6

Determine the Value of Each Variable A) $x = 1 ; y = 9 ; m = 6$