Use Cramer's rule to solve the system. If D = 0, use another method to complete the solution. 5x + 4y - z = 48  x - 4y - 8z = -69-4x + y + z = -16

A. {(8, 3, 7)}
B. {(7, -5, -7)}
C. {(7, 5, 7)}
D. {(5, 7, 5)}


Answer: C

Mathematics

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What will be an ideal response?

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A. (0, 3) B. (0, -3) C. (0, 0.50) D. (0, 0.6) E. (0, ?-0.6)

Mathematics

Plot the graph of the equation. Check for symmetries and find all x- and y-intercepts.y = x4 + 6x3 + 9x2

A.

B.

C.

D.

Mathematics