Can someone help with Quadratic Graphs please?

PLEASE HELP!! Can someone explain step by step on how to find a quadratic equation in a TI-83 plus calculator?

  • I need to find the quadratic equation for a table, and I need to know how to find it by using the TI-83 plus calculator. I have the x's and y's to enter but where do I go from there? PLEASE HELP!

  • Answer:

    Press [Stat] > 1:Edit... Enter your x-values under L1 and the corresponding y-values under L2. Exit back to the home screen, then press [Stat] > Calc > 5:QuadReg. Press [Enter] and the data for your quadratic equation should appear.

Charles K at Yahoo! Answers Visit the source

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