Polar Graphs

Match the correct polar equation with the following graph:

• r=1+cosθ
• rsinθ=2
• r=1-2sinθ
• r=2

Identify the polar equation:
r=1+sinθ

• cardioid
• circle
• limacon with inner loop
• spiral

Which of the following could be the equation for...

• r = 6 + 6 sin θ

• r = 12 sin θ

• r = 6 - 6 sin θ

• r = 6 + 6 cos θ

Which of these is an equation for this dimpled limaçon?

• r = 3 + 2 cosθ
• r = 2 + 3 cosθ
• r = 2 + 2cosθ
• r = 2 - 3cosθ

Choose the correct equation.

• r = 3 + 2 cosθ
• r = 2 + 3 cosθ
• r = 2 + 2cosθ
• r = 3cosθ

Describe the symmetry of the polar curve.

r = 6 sin θ

Select all that apply

• About the Pole

• Over polar axis

• Over θ=π/2

• No polar symmetry

Describe the symmetry of the polar curve.

r = 7 cos 4θ

Select all that apply

• About the Pole

• Over polar axis

• Over θ=π/2

• No Polar Symmetry

What is the equation?

• r = 4

• r = 8

• r = 4sin(Θ)

• r = 8sin(Θ)

This particular equation generates what graph

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Match the given polar equation with its corresponding graph.

 $r^2=9\cos2\theta$  

• rose

• lemniscate

• dimpled limacon

• cardioid