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10 Nov 2019
6. Solve the system of equations by determinants for y only: 5x -2y + 4z 23 2x 7y -6z-14 3x 3y + 8z 11.
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Collen Von
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24 Feb 2019
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Solve using row operations
Determine whether the following system has no solution, an infinite number of solutions or a unique solution. -14x + 21y - 35z = -14 6x - 9y + 15z = 6 -5x + 2y + 6z = 7 -9x - 7y - 8z = 5 -14x + 21y - 35z = -14 6x - 9y + 15z = 4
Which system of equations represents the matrix shown below? [11 2 21| 15 1 2 3 6 29 13 9 2 22 â 11m2y-212-15 2x-y +6z--29 13x +9y +z--22 A. O 11x+2y +21z - 15 B. 2x-y +6z- -29 13x +9y +4z--22 O 11x+2y +21z -15 C. 2x+3y +6z--29 13x +9y +2z-22 O 11x+2y-21z -15 2x-3y +6z--29 13x +9y +2z--22 D.
Solve the following system of equations algebraically: a) 2x + 8y = 7 and 3x - 5y = 4 b) 5x - 4y = -9 and 4x - y + 3z = 5 an -8x + 3y - 5z = 6 c) x - 2y + 3z = 4 and 2x + y - 4z = 3 an -3x + 4y - z = -2 d) 2x - 3y = 12 and 3y + z = 2 and 5x - 3z = 3
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Solve the following system of equations algebraically: a) 2x + 8y = 7 and 3x - 5y = 4 b) 5x - 4y = -9 and 4x - y + 3z = 5 an -8x + 3y - 5z = 6 c) x - 2y + 3z = 4 and 2x + y - 4z = 3 an -3x + 4y - z = -2 d) 2x - 3y = 12 and 3y + z = 2 and 5x - 3z = 3
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