ises 12.4. Find the intercepts and domain and perform the symmetry test on each parabola with the Graph the vertex, focus, and endpoints of the latus rectum, then draw the parabola for each Pequation in problem 1. Sketch on the same axes the parabolas with equation x2 = Apy using as values of p: -4,-2.-1.0, 1, 2, 4. Describe the effect on the parabola shape produced by changing the value of p. 8x (b) x By (d) x 4​