Describe the surface.

x2 - y2 = 1

answer hyperbolic cylinder, I need help with the rest

[0/0.69 Points] DETAILS PREVIOUS ANSWERS SCALCET9 12.XP.6.003. MY NOTES ASK YOUR TEACHER PRACTICE Describe the surface. x2 - y2 = 1 sphere ellipsoid hyperboloid circular cylinder elliptic cylinder hyperbolic cylinder parabolic cylinder elliptic paraboloid Sketch the surface. (If an answer does not exist, enter DNE. Select Update Graph to see your response plotted on the screen. Select the Submit button to grade your response.) (Write an equation for the cross section at z = -1 using x and y.) (Write an equation for the cross section at z = 0 using x and y.) (Write an equation for the cross section at z = 1 using x and y.) Update Student Response Response Description Graph Enter appropriate values in the answer blank(s) and click "Update Graph." G