Polar Coordinates and complex numbers

Which point represents (3, 3π/4)

• F
• E
• B
• A

Which point represents (5, π)

• F
• E
• B
• A

Which point represents (-4, π/2)

• D
• C
• B
• A

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

• B
• F
• D
• A

How do you write an ordered pair in polar form?

• (x,y)

• (θ, r)

• (r,θ)

• (r,y)

When converting between rectangular and polar coordinates:

y = ?

• rcosθ

• rsinθ

• x² + y²

• y/x, x ≠ 0

Converting between rectangular and polar coordinates:
x = ?

• rcosθ
• rsinθ
• x² + y²
• y/x, x ≠ 0

Convert from polar coordinates, (20, 11π/6) to rectangular coordinates.

• (-10√3, 10)

• (10√3, -10)

• (10, -10√3)

• (10√2, -10)

Convert from polar coordinates, (6, 5π/4) to rectangular coordinates.

• (-3√2, -3√2)

• (3√2, 3√2)

• (6.0, 0.4)

• (-6.0, -0.4)

Find the rectangular coordinates of each polar point. (4, 3π/2)

• (4,4)

• (4,0)

• (0,-4)

• (0,1)