Module 5: Systems of Equations and Matrices

College Algebra:  Module 5:  Systems of Equations and Matrices

Solutions for Systems of Linear Equations

Here are instructions for solving three linear equations in three unknowns on the TI 83/84 calculator.

Also, have a look at a couple of solved stated problems involving systems of linear equations.

Non-linear Regression

Instructions for performing exponential regressions on the TI-84, as well as a solved problem that fits a quadratic equation to just three data points here.


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