Identify whether the given equation is that of a cardioid, limaçon, rose, or lemniscate.
$r^2=-25\cos2\theta$

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.

$r=4\sin2\theta$

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

$r=3+2\cos\theta$

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

$r=1-\sin\theta$

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

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

Graph $r=3\cos4\theta$