Is this correct?

A vertical parabola goes through (1, -2), (-3, 10), and (4, 31). Use matrices to solve for D, E, and F, given the general form x- + y' + Dx + Ey + F = 0 (since it is a vertical parabola there is not a v- term). x- + -49 X+ -25 V+ -6 = 0