Do the following for the points (-5,-2), (-3,2), (1,2), (2,-2), (5, 2): (f you are entering decimal approximations, enter at least five decimal places.) (a) Find the equation for the best-fitting...

Extracted text: Do the following for the points (-5,-2), (-3,2), (1,2), (2,-2), (5, 2): (f you are entering decimal approximations, enter at least five decimal places.) (a) Find the equation for the best-fitting parabola y=ar+bz +c for these points: (b) Find the equation for the best-fitting parabola with no constant term y = ar + bz for these points: %3D (c) Find the equation for the best-fitting parabola with no linear term y = ar + c for these points: