Solve the system of equations by Gauss-Jordan elimination.
A. {(-6, -5, -1)}
B. {(-6, -1, -5)}
C. {(-5, -1, -6)}
D. ?
Answer: D
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A. z = 1.9 B. z = 82.89 C. z = -2.3 D. z = -1.3
Use graphical methods to solve the linear programming problem.Maximize z = 8x + 12y subject to: 40x + 80y ? 560 6x + 8y ? 72 x ? 0 y ? 0
A. Maximum of 92 when x = 4 and y = 5 B. Maximum of 96 when x = 9 and y = 2 C. Maximum of 120 when x = 3 and y = 8 D. Maximum of 100 when x = 8 and y = 3
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What will be an ideal response?
Determine whether the given point is in the solution set to the given system.(5, -2)2x + y = 124x + 2y = 24
A. Yes B. No