- Consider a set of linear equations: x1 + 4x2 – 3x3 = 7 X2 + 6x3 = 2 kx3 = 1 where k is an arbitrary constant. (a) Write the system in matrix-vector form and form an Augmented matrix. (b) Is the linear system solvable for k = 0, and whey? %3D (c) When does the system have unique solution? And find a solution considering k = 2.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter6: Matrices And Determinants
Section: Chapter Questions
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1. Consider a set of linear equations:
x1 + 4x2 – 3x3 = 7
x2 + 6x3 = 2
kx3 = 1
where k is an arbitrary constant.
(a) Write the system in matrix-vector form and form an Augmented matrix.
(b) Is the linear system solvable for k = 0, and whey?
(c) When does the system have unique solution? And find a solution considering k = 2.
Transcribed Image Text:1. Consider a set of linear equations: x1 + 4x2 – 3x3 = 7 x2 + 6x3 = 2 kx3 = 1 where k is an arbitrary constant. (a) Write the system in matrix-vector form and form an Augmented matrix. (b) Is the linear system solvable for k = 0, and whey? (c) When does the system have unique solution? And find a solution considering k = 2.
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