(a) Find the conditions on b1, b2, b3 and b4 so that the following linear system is consistent. 2.x2 + 3.x3 4.x4 bị %3D -x1 2x2 + 25x3 24.x4 b2 -2x1 + 3x2 + X3 + X4 b3 x1 X2 + x3 + X4 b4 If this linear system is consistent, how many free variables are there in its general solution?

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter5: Systems Of Equations And Inequalities
Section: Chapter Questions
Problem 4CC
icon
Related questions
Question
(a) Find the conditions on b1, b2, bz and b4 so that the following linear system is consistent.
X1
2x2 +
3x3
4.x4
b1
-x1
2.x2 + 25x3
24.x4
b2
-2.x1 + 3x2 +
X3 +
X4
b3
X1
+
X2 +
X3 +
X4
b4
If this linear system is consistent, how many free variables are there in its general solution?
(b) Given that
4
k -10
14
A =
||
-6 27
15
-21
is the augmented matrix for a linear system, find the values of k so that the linear system is
consistent. Explain your answers.
Transcribed Image Text:(a) Find the conditions on b1, b2, bz and b4 so that the following linear system is consistent. X1 2x2 + 3x3 4.x4 b1 -x1 2.x2 + 25x3 24.x4 b2 -2.x1 + 3x2 + X3 + X4 b3 X1 + X2 + X3 + X4 b4 If this linear system is consistent, how many free variables are there in its general solution? (b) Given that 4 k -10 14 A = || -6 27 15 -21 is the augmented matrix for a linear system, find the values of k so that the linear system is consistent. Explain your answers.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
College Algebra
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Algebra and Trigonometry (MindTap Course List)
Algebra and Trigonometry (MindTap Course List)
Algebra
ISBN:
9781305071742
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Elementary Linear Algebra (MindTap Course List)
Elementary Linear Algebra (MindTap Course List)
Algebra
ISBN:
9781305658004
Author:
Ron Larson
Publisher:
Cengage Learning
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt
Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage