Example 3.25 uses the inverse of the coefficient matrix to solve a linear system. This method can be used to soly following system. X1 - x2 = 1 9x1 + X2 = 9 State the coefficient matrix A. (Order the columns from x, to x, Do not perform any row operations.) A = Find the inverse of the coefficient matrix. A-1 = Give b such that Ax = b. b = Solve the given system using the method of Example 3.25. X =

Example 3.25 uses the inverse of the coefficient matrix to solve a linear system. This method can be used to soly following system. X1 - x2 = 1 9x1 + X2 = 9 State the coefficient matrix A. (Order the columns from x, to x, Do not perform any row operations.) A = Find the inverse of the coefficient matrix. A-1 = Give b such that Ax = b. b = Solve the given system using the method of Example 3.25. X =

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Question

Example 3.25 uses the inverse of the coefficient matrix to solve a linear system. This method can be used to solve the
following system.
X1 - x2 = 1
9x1 + x2 = 9
State the coefficient matrix A. (Order the columns from x, to x, Do not perform any row operations.)
A =
Find the inverse of the coefficient matrix.
A-1 =
Give b such that Ax =
b.
b =
Solve the given system using the method of Example 3.25.
X =

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