Solve the system by using Gaussian elimination with backward substitution or by reducing the matrix to reduced-row echelon form.-4x + 52 = 6y-2x + 3y = -2

A. (6, 5)
B. No solution
C. (7, 5)
D. (7, 4)


Answer: D

Mathematics

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A.


B.


C.


D.


E.

none of these


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A. Maximum:   at    minimum: -  at   
B. Maximum:   at    minimum: -  at   
C. Maximum:   at    minimum: -  at   
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A. -14 B. -7 C. 14 D. 0

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