Given the linear system x + 2y = 10 3x + (6 + t)y = 30, (a) Determine a particular value of t so that the system has infinitely many solutions. (b) Determine a particular value of t so that the system has a unique solution. (c) How many different values of t can be selected in part (b)?

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter11: Matrices And Determinants
Section11.1: Matrices And Systems Of Linear Equations
Problem 1E: If a system of linear equations has infinitely many solutions, then the system is called _______. If...
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Given the linear system

x + 2y = 10
3x + (6 + t)y = 30,

(a) Determine a particular value of t so that the system
has infinitely many solutions.
(b) Determine a particular value of t so that the system
has a unique solution.
(c) How many different values of t can be selected in
part (b)?

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