Write the matrix equation as a system of linear equations without matrices.
= 
A. -7x1 + x2 + x3 = -8
x1 - 5x2 = 8
B. -7x1 = -8
x1 + x2 = 8
-8x1 - 5x2 = -7
C. -7x1 + x2 = -8
x1 + 8x2 = 8
-8x1 - 5x2 = -7
Answer: B
Mathematics
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Determine the indefinite integral.
A. 
+ C
B. coth3 x + C
C. - 
+ C
D. coth3 x csch3 x + C
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Solve using Cramer's rule.-4x - 5y - 5z = -49 8x + 5y - 5z = -7 4x - 9y - 4z = -47
A. (2, 1, 6) B. (3, 6, 3) C. (1, -3, -6) D. (1, 3, 6)
Mathematics
Graph the quadratic equation.y = -x2 + 2x
A. 
B. 
C. 
D. 
Mathematics
Given the terms of a finite sequence, classify it as arithmetic, geometric, or neither.0.2, 0.6, 1.8, 5.4
A. Arithmetic B. Geometric C. Neither
Mathematics