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Solve the System by Using the Inverse of the Coefficient w2x3y=54x2y=162x+4y5z=285w2x+2y5z=13\begin{array} { l } w - 2 x - 3 y = - 5 \\- 4 x - 2 y = - 16 \\- 2 x + 4 y - 5 z = - 28 \\5 w - 2 x + 2 y - 5 z = - 13\end{array}

Question 1

Multiple Choice

Solve the system by using the inverse of the coefficient matrix.
- w2x3y=54x2y=162x+4y5z=285w2x+2y5z=13\begin{array} { l } w - 2 x - 3 y = - 5 \\- 4 x - 2 y = - 16 \\- 2 x + 4 y - 5 z = - 28 \\5 w - 2 x + 2 y - 5 z = - 13\end{array}


A) {(3,4,0,4) }\{ ( 3,4,0 , - 4 ) \}
B) {(3,4,0,4) }\{ ( 3,4,0,4 ) \}
C) {(3,4,0,4) }\{ ( - 3 , - 4,0 , - 4 ) \}
D) {(3,4,0,4) }\{ ( - 3 , - 4,0,4 ) \}

Correct Answer:

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