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The following project with introduce 2 methods for solving a system of equations -- utilizing matrices and linear systems.
Project
Solve the following system:
x + y + z = 2
-2x - 5y + 3z = -8
7x - 5z = -19
Step by Step Instructions and Illustrations
Turn on Device:
Home/On
A: Calculate
(Scratchpad opens)
Method 1: Using Augmented Matrix
Menu
7: Matrix and Vector
5: Reduced Row Echelon Form
( rref() appears )
Then, to insert the matrix,
"Template" Button
(menu of symbols appears)
Select the matrix symbol
enter
number of rows: 3
number of columns: 4
enter
(matrix appears)
input coefficients and solutions
enter
Solution appears!
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Webcomic #108 - "Math Underworld" (Identity Theft)
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Method 2: Using (algebra) linear system of equations
Menu
3: Algebra
7: Solve system of equations
1: Solve a system of equations
Number of equations: 3
(press OK)
( solve .... , {x, y, z} ) appears
input the equations
enter
Solutions appear!
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Selecting Matrix Reduced Row-Echelon Form:
Keys Used in this Project
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Are you using TI-83, TI-84, or a different Texas Instruments product? Click here to read more instructions for finding RREF of a matrix.
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Equations and Variables: