Using Roots to Generate an Equation Functions & Equations Additional A parabola crosses the x-axis at x = 2 and x = -1. Find an equation of the parabola. Find an equation of a parabola that crosses the x-axis at x = a and x = b. October 31, 2018/by Kym Welty http://intermath.org/wp-content/uploads/2018/03/logo.jpg 0 0 Kym Welty http://intermath.org/wp-content/uploads/2018/03/logo.jpg Kym Welty2018-10-31 12:30:352019-01-18 16:11:35Using Roots to Generate an Equation