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Which of the following most nearly gives the value of [A]¯1 for the following equations? x +y - z = -3 ; 6x + 2y + 2z = 2 ; -3x + 4y + z = 1 (Note: no need to re-arrange the equations, number them in the order they appear in this problem) [0.1250 0.1042 0.0833] d) [A]-1 = |0.2500 0.0417 0.1667 lo.6250 0.1458 0.0833 0.1250 0.1040 0.0833 a) [A]-1 = 0.2500 [-0.6250 0.1438 0.0417 -0.1667 0.0833 %3D [0.1250 0.1042 -0.0333] = |0.2500 Lo.6250 0.1438 0.1250 0.1042 -0.0833] 0.1667 b) [A]-1 : e) [A]¯1 =| 0.2500 -0.6250 0.0417 0.1667 0.0417 0.0333 0.1458 0.0833 0.1250 0.1042 -0.0803] c) [A]-1 : 0.2500 -0 6220. 0.0415 0 1453 0.1667 O 0803 f) None of the choices %3D

Which of the following most nearly gives the value of [A]¯1 for the following equations? x +y - z = -3 ; 6x + 2y + 2z = 2 ; -3x + 4y + z = 1 (Note: no need to re-arrange the equations, number them in the order they appear in this problem) [0.1250 0.1042 0.0833] d) [A]-1 = |0.2500 0.0417 0.1667 lo.6250 0.1458 0.0833 0.1250 0.1040 0.0833 a) [A]-1 = 0.2500 [-0.6250 0.1438 0.0417 -0.1667 0.0833 %3D [0.1250 0.1042 -0.0333] = |0.2500 Lo.6250 0.1438 0.1250 0.1042 -0.0833] 0.1667 b) [A]-1 : e) [A]¯1 =| 0.2500 -0.6250 0.0417 0.1667 0.0417 0.0333 0.1458 0.0833 0.1250 0.1042 -0.0803] c) [A]-1 : 0.2500 -0 6220. 0.0415 0 1453 0.1667 O 0803 f) None of the choices %3D

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
Chapter12: Quadratic Functions
Section12.4: Graphs Of Quadratic Equations: The Discriminant
Problem 20WE
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Which of the following most nearly gives the value of [A]¯1 for the following equations? x + y – z = -3 ; 6x + 2y + 2z = 2 ; –3x + 4y + z = 1 (Note: no need to re-arrange the equations, number them in the order they appear in this problem) 0.1250 0.1040 0.0833 [0.1250 0.1042 0.0833] a) [A]-1 = 0.2500 0.0417 -0.1667 d) [A]¯1 = |0.2500 0.0417 0.1667 L-0.6250 0.1438 0.0833 Lo.6250 0.1458 0.0833] [0.1250 0.1042 b) [A]¯1 = |0.2500 0.0417 Lo.6250 0.1438 -0.0333] 0.1667 -0.0833] 0.1667 0.1250 0.1042 e) [A]¯1 0.2500 0.0417 0.0333 -0.6250 0.1458 0.0833 -0.0803] 0.1667 O 0803 0.1250 0.1042 c) [A]=1 0.2500 0.0415 f) None of the choices -0 6220. 0 1453.
Transcribed Image Text:Which of the following most nearly gives the value of [A]¯1 for the following equations? x + y – z = -3 ; 6x + 2y + 2z = 2 ; –3x + 4y + z = 1 (Note: no need to re-arrange the equations, number them in the order they appear in this problem) 0.1250 0.1040 0.0833 [0.1250 0.1042 0.0833] a) [A]-1 = 0.2500 0.0417 -0.1667 d) [A]¯1 = |0.2500 0.0417 0.1667 L-0.6250 0.1438 0.0833 Lo.6250 0.1458 0.0833] [0.1250 0.1042 b) [A]¯1 = |0.2500 0.0417 Lo.6250 0.1438 -0.0333] 0.1667 -0.0833] 0.1667 0.1250 0.1042 e) [A]¯1 0.2500 0.0417 0.0333 -0.6250 0.1458 0.0833 -0.0803] 0.1667 O 0803 0.1250 0.1042 c) [A]=1 0.2500 0.0415 f) None of the choices -0 6220. 0 1453.
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