The inverse of the coefficient matrix is given for the system of equations. Use the inverse matrix to solve the system.
; A-1 = 
A. {(-13, -28)}
B. {(-36, 28)}
C. {(26, -56)}
D. {(13, -8)}
Answer: D
Mathematics
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A. 9 B. 3 C. -5 D. 1
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A. (8k - 11m)2 B. (8k + 11m)2 C. (64k + m)(k - 121m) D. (8k + 11m)(8k - 11m)
Mathematics
Match the equation with its graph.y = x(x - 7)
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.4r + 8 = 44
A. 32 B. 36 C. 9 D. 3
Mathematics