ercises 12.4. complete the following: Graph the vertex, focus, and endpoints of the latus rectum; then draw the parabola for each 1 equation in problem 1. Find the intercepts and domain and perform the symmetry test on each parabola with equations. (a) y = 8x (c) y = – 4x (b) x = 8y (d) x = -4y nn axes the non​