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12 Nov 2019
Solve the linear system below by substitution. {x - 5y - z = -1 2x + 4y + z = 1 -5y - z = 4 x = ____ y = ____ z = _____ Answer(s) submitted: (incorrect)
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Beverley Smith
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15 Jan 2019
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Find basis for the kernal and image of the linear transformation T defined by T (x y z) = (4y -5y - 3z -5y - 3z 7z - 2y). Kernel basis: Image basis
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Find basis for the kernal and image of the linear transformation T defined by T (x y z) = (4y -5y - 3z -5y - 3z 7z - 2y). Kernel basis: Image basis
greyworm177
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
magentaeel286
Graph the system of linear equations. Solve the system and interpret your answer. 2x + y = 4 x - y = 2 x + 3y = 2 -x + 2y = 3 x - y = 1 -2x + 2y = 5 1/2x - 1/3y = 1 -2x + 4/3y = -4 3x - 5y = 7 2x + y = 9 -x + 3y = 17 4x + 3y = 7 2x - y = 5 5x - y = 11 x - 5y = 21 6x + 5y = 21 x + 3/4 + y - 1/3 = 1 x - 1/2 + y + 2/3 = 4 2x - y = 12 x - 2y = 5 0.05x - 0.03y = 0.07 0.07x + 0.02 y = 0.16 0.2x - 0.5y = -27.8 0.3x + 0.4y = 68.7 x/4 + y/6 = 1 x - y = 3 2x/3 + y/6 = 2/3 4x + y = 4 Use back-institution to solve the system. x_1 - x_2 = 2 x_2 = 3 2x_1 - 4x_2 = 6 3x_2 = 9 -x + y - z = 0 2y + z = 3 1/2z = 0 x - y = 4 2y + z = 6 3z = 6
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