Use matrix inversion to solve the given system of linear equations. $\begin{array} { r }
5 x + y = 1 \
19 x + 4 y = 3
\end{array}$
A) $x = 1$ , $y = - 4$
B) $x = 3$ , $y = - 1$
C) $x = 3$ , $y = - 4$
D) $x = 1$ , $y = - 1$
E) The system is inconsistent.

Question

Use matrix inversion to solve the given system of linear equations.   $\begin{array} { r } 
5 x + y = 1 \
19 x + 4 y = 3
\end{array}$  
A) $x = 1$ , $y = - 4$
B) $x = 3$ , $y = - 1$
C) $x = 3$ , $y = - 4$
D) $x = 1$ , $y = - 1$
E) The system is inconsistent.

Quizplus · Accepted Answer

The system of equations can be represented in matrix form as AX = B, where A is the matrix of coefficients, X is the column matrix of variables, and B is the column matrix of constants. Solving for X using matrix inversion gives $x = 1$ and $y = -4$.

Use Matrix Inversion to Solve the Given System of Linear 5x+y=119x+4y=3\begin{array} { r } 5 x + y = 1 \\19 x + 4 y = 3\end{array}5x+y=119x+4y=3​

Use Matrix Inversion to Solve the Given System of Linear $\begin{array} { r } 5 x + y = 1 \\19 x + 4 y = 3\end{array}$