Solve the system of linear equations using the Gauss-Jordan elimination method.
A) ( 23, 7 )
B) ( 33, 7 )
C) ( 28, -12 )
D) ( -7, 28 )
E) ( 28, -7 )

Question

Solve the system of linear equations using the Gauss-Jordan elimination method. 
A) ( 23, 7 ) 
B) ( 33, 7 ) 
C) ( 28, -12 ) 
D) ( -7, 28 ) 
E) ( 28, -7 )

Quizplus · Accepted Answer

By performing the Gauss-Jordan elimination method on the given system of linear equations, we get the following reduced row echelon form:
1 0 28 -7
0 1 -7 2
Hence, the solution is (28, -7). Therefore, the best choice is E.

Solve the System of Linear Equations Using the Gauss-Jordan Elimination