1, = 2, =D4

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
Chapter9: Systems Of Linear Equations
Section: Chapter Questions
Problem 5CT
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If the following system of equations
X1 + x2 + 2x3 =1,
x1+ 2x2 + 3x3 = 2,
X1+ 4x2 + ax3 = 4
has infinitely many solutions, then
( A) α 5
(B) a 5
(C) a = 0
(D) a is any real number
Transcribed Image Text:If the following system of equations X1 + x2 + 2x3 =1, x1+ 2x2 + 3x3 = 2, X1+ 4x2 + ax3 = 4 has infinitely many solutions, then ( A) α 5 (B) a 5 (C) a = 0 (D) a is any real number
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