For what values of x, y, and z will A = B?
-$$A = \left[ \begin{array} { r r }
- 2 & x \
z & 9
\end{array} \right] \quad B = \left[ \begin{array} { l l }
y & 3 \
8 & 9
\end{array} \right]$$
A) $x = 3 , y = 9 , z = 3$
B) $x = 3 , y = - 2 , z = 8$
C) $x = 9 , y = - 2 , z = 8$
D) $x = 8 , y = - 2 , z = 9$

Question

For what values of x, y, and z will A = B?
-$$A = \left[ \begin{array} { r r } 
- 2 & x \
z & 9
\end{array} \right] \quad B = \left[ \begin{array} { l l } 
y & 3 \
8 & 9
\end{array} \right]$$
A) $x = 3 , y = 9 , z = 3$
B) $x = 3 , y = - 2 , z = 8$
C) $x = 9 , y = - 2 , z = 8$
D) $x = 8 , y = - 2 , z = 9$

Quizplus · Accepted Answer

For two matrices to be equal, their corresponding elements must be equal. Comparing A and B, we get $y = -2$, $x = 3$, and $z = 8$.

For What Values of X, Y, and Z Will a =