Multiple Choice
Use Gaussian elimination and matrices to solve the system of linear equations. Write your final augmented matrix in triangular form and then solve for each variable using back substitution.
-7x - y + 2z = 63 8x + 2z = 74 4y + z = 25
A) (7, 4, 9)
B) (-7, 4, 14)
C) (7, 9, 4)
D) (-7, 14, 4)
Correct Answer:
Verified
Correct Answer:
Verified
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