Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation. 8x - y - 3z = 28 8x + 4y - 5z = 60-7x - 9y + z = -110

A. (6, 8, 4)
B. (-6, 8, 12)
C. (6, 4, 8)
D. No solution


Answer: A

Mathematics

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Use the given transformation to evaluate the integral.   Rwhere R is the parallelogram bounded by the lines    

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A.
B.
C.
D.

Mathematics

Use Cramer's rule to solve the linear system.9x - 9y - z = -30  x - 5y - 6z = -41-8x + y + z = -8

A. (3, 3, 3) B. (2, 5, 3) C. (2, -5, -3) D. (5, 3, 5)

Mathematics

Solve the equation.log (x + 4) = log (4x - 5)

A.
B.
C.
D.

Mathematics

Identify any vertical, horizontal, or oblique asymptotes in the graph of y = f(x). State the domain of f.

A. Vertical: x = -4; horizontal: y = -2; (-?, -2) ? (-2, ?) B. Vertical: x = -2; horizontal: y = -4; (-?, -4) ? (-4, ?) C. Vertical: x = -4; horizontal: y = -2; (-?, -4) ? (-4, ?) D. Vertical: x = -2; horizontal: y = -4; (-?, -2) ? (-2, ?)

Mathematics