1. What type of conic section when the plane is perpendicular to the axis of the cone? 2. In each item, give the standard equation of the circle satisfying the given conditions. 3. (2) center at the origin, radius 4 (3) center (-4, 3], radius (4) circle in Figure 1.7 (5) circle A in Figure 1.10 (6) circle B in Figure 1.10 (7) center (5. 6), tangent to the y-axis Figure 1.10 (8) center (5. -6), tangent to the x-axis In the equation x + y + By = 33, determine the following: Figure 1.10 9. center 10. radius 11. standard equation