Use the matrix capabilities of a graphing utility to reduce the augmented matrix corresponding to the system of equations, and solve the system.
?
?
A. ?(-4, 1, 7, -2)
B. (-4, -1, 7, 2)
C. (-4, 1, -7, 2)
D. (-4, -1, -7, -2)
E. (-4, 1, 7, 2)
Answer: E
Mathematics
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