Re: A89: help me too please!
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Re: A89: help me too please!
You don't need to graph the equation on the TI-89 to get the answers to a
quadratic equation. Just look for the Solve( function in your menu, and type
in the equation and the variable, and press Enter to get the answer.
For Example:
Solve(x^2+6x-9=0, x) and it will give you the two answers.
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Robert
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