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40 Solve algebraically. x + 2y +z = 3 2x - 3y + 2z = -1 x-3y + 2z = 1

40 Solve algebraically. x + 2y +z = 3 2x - 3y + 2z = -1 x-3y + 2z = 1

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter10: Inequalities
Section10.8: Systems Of Linear Inequalities
Problem 28WE
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(31) Identify the system shown by the graph as consistent and independent, consistent and dependent, or inconsistent (38) Solve by graphing. x = 2y + 7 y=-x-2 (39) Solve algebraically. 4x + 2y = 6 3x - 4y = 10 40 Solve algebraically. x+2y+z=3 2x - 3y + 2z = -1 x-3y + 2z = 1 Graph each inequality. y≤2|x-1| Y (46) ZEZE 10 6x-15-10 Determine whether the ordered pair is a solution for the given inequ Write yes or no.. 44 (42) y> (x + 2)² + 3, (-2, 6) y < (x − 3)³ + 2, (4, 5) y ≤ | 2x y > 2(x - 1)² ||||||| y = (x+3)³
Transcribed Image Text:(31) Identify the system shown by the graph as consistent and independent, consistent and dependent, or inconsistent (38) Solve by graphing. x = 2y + 7 y=-x-2 (39) Solve algebraically. 4x + 2y = 6 3x - 4y = 10 40 Solve algebraically. x+2y+z=3 2x - 3y + 2z = -1 x-3y + 2z = 1 Graph each inequality. y≤2|x-1| Y (46) ZEZE 10 6x-15-10 Determine whether the ordered pair is a solution for the given inequ Write yes or no.. 44 (42) y> (x + 2)² + 3, (-2, 6) y < (x − 3)³ + 2, (4, 5) y ≤ | 2x y > 2(x - 1)² ||||||| y = (x+3)³
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