Use Gaussian elimination to solve the system of equations. x - y + 5z = 62x + z = 1 x + 3y + z = -2
A. (1, 0, -1)
B. No solution
C. (0, -1, 1)
D. (1, -1, 0)
Answer: C
Mathematics
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Find the product.(7x - 11y)2
A. 7x2 + 121y2 B. 49x2 - 154xy + 121y2 C. 7x2 - 154xy + 121y2 D. 49x2 + 121y2
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+ 
A. 
B. 
C. 
D. 
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