Use matrix inversion to solve the given system of linear equations.
$\begin{array} { r }
2 x + 5 y = 5 \
5 x + 13 y = 2
\end{array}$
A) $x = 55$ , $y = - 21$
B) $x = 56$ , $y = - 21$
C) $x = 56$ , $y = - 18$
D) $x = 55$ , $y = - 18$
E) The system is inconsistent.

Question

Use matrix inversion to solve the given system of linear equations.   
  $\begin{array} { r } 
2 x + 5 y = 5 \
5 x + 13 y = 2
\end{array}$  
A) $x = 55$ , $y = - 21$
B) $x = 56$ , $y = - 21$
C) $x = 56$ , $y = - 18$
D) $x = 55$ , $y = - 18$
E) The system is inconsistent.

Quizplus · Accepted Answer

The correct answer is A because the system of equations can be solved using matrix inversion, and the solution is x = 55 and y = -21.

Use Matrix Inversion to Solve the Given System of Linear 2x+5y=55x+13y=2\begin{array} { r } 2 x + 5 y = 5 \\5 x + 13 y = 2\end{array}2x+5y=55x+13y=2​

Use Matrix Inversion to Solve the Given System of Linear $\begin{array} { r } 2 x + 5 y = 5 \\5 x + 13 y = 2\end{array}$