Use Maple

II. Use technology to graph each equation and label as one of the following: cone, ellipsoid, hyperboloid of one sheet, hyperboloid of two sheets, hyperbolic paraboloid, or elliptic paraboloid. For each of the shapes give the equation of a level curve (plug a number in for z), then graph the level curve in 2D. Name the 2D curve if possible (parabola, hyperbola, etc). III. 5. r = 4y2 +422 6. 32 =- y2 + x2 7. r? -y + z = 0 8. 9.r + y2 - 9z2 - 54.x - 4y - 542 +4 = 0