   Chapter 11.CT, Problem 17CT ### Algebra and Trigonometry (MindTap ...

4th Edition
James Stewart + 2 others
ISBN: 9781305071742

#### Solutions

Chapter
Section ### Algebra and Trigonometry (MindTap ...

4th Edition
James Stewart + 2 others
ISBN: 9781305071742
Textbook Problem

# TEST(a) Write a matrix equation equivalent to the following system. { 4 x − 3 y = 10 3 x − 2 y = 30 (b) Find the inverse of that coefficient matrix, and use it to solve the system.

To determine

(a)

To solve:

For the equivalent matrix of the given system of equations, inverse of the coefficient matrix, and use it to solve the system

Explanation

Given:

The system of equations

4x3y=103x2y=30

Approach:

Write the matrix equation in the form of AX=B.

Calculation:

Consider the following system of equations

4x3y=103x2y=30

Rewrite the system as a matrix equation in the form of AX=B.

[ 4332][

To determine

(b)

To find:

The inverse of above coefficient matrix A and use it to solve the system.

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