Solve using Gauss-Jordan elimination. x1 + x2 = 0 x1 - x 2 = 12
A. (-6, -5)
B. (6, -6)
C. (5, -5)
D. (-5, -6)
Answer: B
Mathematics
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A. 8x + 6
B. 5x + 6
C. 5x + 6 + 
D. 5x - 48x5 + 
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Factor out the greatest common factor.120x8y9 + 120x3y7 + 84x6y2
A. 12x3y2(10x5y7 + 10y5 + 7x3) B. 12x3(10x5y9 + 10y7 + 7x3y2) C. No common factor (except 1) D. 12(10x8y9 + 10x3y7 + 7x6y2)
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Complete.6 yd = 
m (Round to the nearest tenth.)
A. 152.4 B. 45.7 C. 236.2 D. 5.5
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Graph the equation in the rectangular coordinate system.x = 3
A. 
B. 
C. 
D. 
Mathematics