11/30 - Polar/Rectangular

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)

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)

Convert from polar coordinates,  (5, 50°) to rectangular coordinates.

• (-1.3, -3.8)
• (3.2, 3.8)
• (4.8, -1.3)
• (3.8, 3.2)

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

• (-10√2, 10)
• (10√2, -10)
• (10, -10√2)
• (-10, 10√2)

What is the function of the graph?

• r=3
• r=3sinΘ
• r=3sinΘ+3cosΘ
• r=3cosΘ

Convert the polar equation to rectangular equation. 
Θ=3π/4

• y=-x
• y=(-√2)x
• y=x
• y=-2x

Convert the rectangular coordinates to polar coordinates
(6√3, 6)

• (12, π/6)
• (6, 7π/6)
• (6, π/6)
• (12, 7π/6)

Convert the rectangular coordinates to polar coordinates
(-5√2, 5√2)

• (5, 7π/4)
• (25, 7π/4)
• (10, 3π/4)
• (10, -7π/4)

Which point represents (2, π/6)

• F
• E
• B
• A

How do you write an ordered pair in polar coordinates?

• (X, Y)

• (θ, r)

• (r,θ)

• (Y_Y)