Polar Equation Practice

Point B has polar coordinates (4,270⁰).  Which of these is NOT point B?

• (4,-90⁰)
• (4, -270⁰)
• (-4, 90⁰)
• (-4, -270⁰)

Point E has polar coordinates
(-3, 180⁰).

• True
• False

Which point represents (3, 3π/4)

• F
• E
• B
• A

Tags

CCSS.5.G.A.2

Point F has rectangular coordinates

• (0,5)
• (5,0)
• (-5,0)
• (0,-5)

Tags

CCSS.HSN.CN.B.4

What type of graph is this? 

• lemniscate
• rose
• cardioid
• spiral

What type of graph is this?

• lemniscate
• rose
• cardioid
• spiral

Convert the rectangular equation to polar form

• r² = 81
• r = 3
• r = 4.5
• r sin θ = 9

Tags

CCSS.HSN.CN.B.4

Write the equation of the polar graph in polar form.

• r = 3cos(θ)
• r = -3cos(θ)
• r = 3sin(θ)
• r = -3sin(θ)

Tags

CCSS.HSN.CN.B.4

Evaluate the equation
r = 3 + sinθ at θ = 90⁰

• r = 2
• r = 3
• r = 4
• r = 5

Evaluate the equation
r = 3 + 2cosθ at θ = 90⁰

• r = 2
• r = 3
• r = 4
• r = 5