Consider the linear system: 2x1 +7x2 = -21 -x1-3x2 = = 14 Which one of the following gives the value of x₁ using Cramer's rule? Select one: 21 7 14 -3 x1 = 2 7 -1 -3 -21 7 14 -3 x1 2 7 1 -3 O None of these. -21 -1 14 x1 = 2 7 -1 -3 -21 -1 14 x1 = 2 7 1 -3

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.CT: Chapter Test
Problem 20CT
icon
Related questions
Question
Consider the linear system:
2x1 +7x2
= -21
-x1-3x2
=
= 14
Which one of the following gives the value of x₁ using Cramer's rule?
Select one:
21
7
14
-3
x1 =
2
7
-1
-3
-21
7
14
-3
x1
2
7
1
-3
O None of these.
-21
-1
14
x1 =
2
7
-1
-3
-21
-1
14
x1 =
2
7
1
-3
Transcribed Image Text:Consider the linear system: 2x1 +7x2 = -21 -x1-3x2 = = 14 Which one of the following gives the value of x₁ using Cramer's rule? Select one: 21 7 14 -3 x1 = 2 7 -1 -3 -21 7 14 -3 x1 2 7 1 -3 O None of these. -21 -1 14 x1 = 2 7 -1 -3 -21 -1 14 x1 = 2 7 1 -3
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
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
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
College Algebra
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
College Algebra
College Algebra
Algebra
ISBN:
9781337282291
Author:
Ron Larson
Publisher:
Cengage Learning