   Chapter 4.2, Problem 44E Finite Mathematics and Applied Cal...

7th Edition
Stefan Waner + 1 other
ISBN: 9781337274203

Solutions

Chapter
Section Finite Mathematics and Applied Cal...

7th Edition
Stefan Waner + 1 other
ISBN: 9781337274203
Textbook Problem

In Exercises 43-46, use technology to solve the systems of equations. Express all solutions as fractions. 4 x − 2 y + z + w = 20 3 y + 3 z − 4 w = 2 2 x + 4 y − w = 4 x + 3 y + 3 z = 2

To determine

To calculate: The system of equations and express all solutions as fractions.

4x2y+z+w=203y+3z4w=22x+4yw=4x+3y+3z=2

Explanation

Given information:

System of equations:

4x2y+z+w=203y+3z4w=22x+4yw=4x+3y+3z=2

Calculation:

Consider the equations,

Calculate the solution with the help of TI-83 calculator by following the steps as,

Use Ti-83 to reduce the above matrix in row echelon form:

Step1: Press ON key.

Step2: Press 2nd+x1 key, then go to EDIT option.

Step3: Insert the order of the matrix as 4×5 then substitute the values of augment matrix:



Step4: Press 2nd + mode then again press 2nd+x1 and go to MATH option

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