Identify whether the given equation is that of a cardioid, limaçon, rose, or lemniscate.
$r=3+2\cos\theta$

Match each equation with its polar graph from choices A–D.

r = cos 3θ

Match each equation with its polar graph from choices A–D.

r = cos 2θ

Match each equation with its polar graph from choices A–D.

r = 2/(cosθ + sinθ)

Graph each polar equation. Also, identify the type of polar graph.

r = 2 + 2 cos θ

Graph each polar equation. Also, identify the type of polar graph.

r² = 4 cos 2θ

Identify whether the given equation is that of a cardioid, limaçon, rose, or lemniscate.

$r=4\sin2\theta$

104

Identify whether the given equation is that of a cardioid, limaçon, rose, or lemniscate.

$r^2=-25\cos2\theta$

120

Identify whether the given equation is that of a cardioid, limaçon, rose, or lemniscate.

$r=1-\sin\theta$

102

Graph $r=2-2\cos\theta$

215

Graph $r=1+2\sin\theta$

203

Graph $r=3\cos4\theta$

155

Graph $r^2=9\sin2\theta$

163