A parabola with avertical axis passes through (1,3) (2,10) and (-2,-6). What is it's equation?

And if using a matrix is possible, use one please! If not it's okay! Thanks!

1 Answer

Relevance
  • 9 years ago
    Favorite Answer

    Ahh I hate matrices, but it's easier to use regression on a calculator. Get a TI 83 or higher

    •go to STATS

    •enter Edit

    •plug in your x-points in L1 and your y-points in L2

    •then put 2nd quit to exit out

    • click STATs but scroll right to CALC

    •click on 5 which is QuadReg

    Click enter and your done

    Source(s): My Cabesa
Still have questions? Get your answers by asking now.