Determine the shape of each polar curve.

Question

r=1

r=1/4+4sin(θ)

r=1/4+8sin(θ)

r=1/8+4sin(θ)

Answer 1

r=1

r=1/4+4sin(θ) Circle center (0,2)

r=1/4+8sin(θ) Circle center (0,4)

r=1/8+4sin(θ) Circle center (0,2)