Find x and y. $$\left[ \begin{array} { c c }
- 5 & x \
y & 8
\end{array} \right] = \left[ \begin{array} { c c }
- 5 & 14 \
27 & 8
\end{array} \right]$$
A) $x = 14 , y = 27$
B) $x = \frac { 1 } { 14 } , y = \frac { 1 } { 27 }$
C) $x = \frac { 1 } { 14 } , y = - \frac { 1 } { 27 }$
D) $x = - 14 , y = - 27$
E) $x = - \frac { 1 } { 14 } , y = \frac { 1 } { 27 }$

Question

Find x and y.​ $$\left[ \begin{array} { c c } 
- 5 & x \
y & 8
\end{array} \right] = \left[ \begin{array} { c c } 
- 5 & 14 \
27 & 8
\end{array} \right]$$ ​
A) $x = 14 , y = 27$
B)​ $x = \frac { 1 } { 14 } , y = \frac { 1 } { 27 }$
C) $x = \frac { 1 } { 14 } , y = - \frac { 1 } { 27 }$
D) $x = - 14 , y = - 27$
E) $x = - \frac { 1 } { 14 } , y = \frac { 1 } { 27 }$

Quizplus · Accepted Answer

The Answer is A

Find X and Y [−5xy8]=[−514278]\left[ \begin{array} { c c } - 5 & x \\y & 8\end{array} \right] = \left[ \begin{array} { c c } - 5 & 14 \\27 & 8\end{array} \right][−5y​x8​]=[−527​148​]

Find X and Y $\left[ \begin{array} { c c } - 5 & x \\y & 8\end{array} \right] = \left[ \begin{array} { c c } - 5 & 14 \\27 & 8\end{array} \right]$