solving simultaneous equations with the ti89

solving simultaneous equations with the ti89 - Solving...

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Solving Simultaneous Equations with the TI-89 Logan West We often have the need to solve simultaneous equations in our coursework, we can work with matrices or solve them by hand, but when you get to the point where the equations are non-linear, involve sines and cosines and have more than three variables, things can get a little hairy. The TI-89 has a handy feature which allows us to plug the equations into the calculator and receive the result. The Problem Let’s look at the following example, our two equations are given by the equations: Y = X^2 And Y = 5*X-3 Which gives us the following graph. There should be two intersection points and we want to find out what they are.
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Solving using the TI-89 The first step (after retrieving and turning on the calculator) is to go to the Algebra menu by hitting F2. A drop-down menu appears and select the first option s olve( by hitting ENTER . Now let’s enter our first equation. It should look like this: To append a second equation onto the first one, hit the
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This note was uploaded on 10/12/2011 for the course ENSC 2123 taught by Professor Russell during the Fall '08 term at Oklahoma State.

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solving simultaneous equations with the ti89 - Solving...

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