Polar Coordinates

Which equation represents the polar graph?

• r = sin θ
• r = sin 4θ
• r = 4 sin θ
• r = 4 cos θ

Tags

CCSS.HSN.CN.B.4

Which point represents the polar coordinate
(-4, -2π/3)

• B
• F
• D
• A

Tags

CCSS.HSN.CN.B.4

How do you write an ordered pair?

• (X,X)
• (θ, r)
• (r,θ)
• (Y,Y)

Tags

CCSS.HSN.CN.B.4

Which letter represents the point

 $(5,π)$  ?

• F

• E

• B

• A

Tags

CCSS.HSN.CN.B.4

Find the rectangular coordinates of the polar point:

 $(4,\frac{3π}{2})$  

•  $(4,4)$  
  

•  $(4,0)$  
  

•  $(0,-4)$  
  

•  $(0,1)$  
  

Tags

CCSS.HSN.CN.B.4

What is the equation?

• $\theta=\frac{π}{4}$

• $\theta=-\frac{5π}{4}$
  

• $\theta=-\frac{3π}{4}$
  

• $\theta=\frac{5π}{4}$
  

Match the correct polar equation with the following graph:

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

How many rose petals does  $r=3\sin4\theta$  have?

• 3

• 6

• 8

• 4

How many rose petals does  $r=2\cos5\theta$  have?

• 2

• 5

• 10

• 4

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

• True
• False

Tags

CCSS.HSN.CN.B.4