6.A. Application - Curve-Fitting: Problem 2
(1 point)
Do the following for the points (-1, -2), (0, -2), (3, 2), (5, 2):
(If you are entering decimal approximations, enter at least five decimal places.)
(a) Find the equation for the best-fitting parabola $y = az^2 + bz + c$ for these points:
y =
(b) Find the equation for the best-fitting parabola with no constant term $y = az^2 + bz$ for these points:
y =
(c) Find the equation for the best-fitting parabola with no linear term $y = ax^2 + c$ for these points:
y =
