Polar Coordinates and Rectangular Coordinates

• A
• B
• C
• D

Check all the correct answers. What are the polar coordinates for Point D?

Convert from a polar to a rectangular equation:

• y = x

• y = - x

• y = 2x

• y = -2x

Convert the rectangular coordinates to polar form

• (√2 , 7π/4)

• (2 , 3π/4)

• (4 , π/4)

• (4 , 5π/4)

• 2

• 10

Express the complex number in polar form.
-2 + 5i

• 5.39 ( cos 1.95 + i sin 1.95)

• 5.39 ( cos 65.06 + i sin 65.06)

• 2.65 ( cos 1.95 - i sin 1.95 )

• 2.65 ( cos 65. 06 - i sin 65.06 )

What quadrant would the point in polar form land in?
4 ( cos π /3 + i sin π /3)

• Quadrant 4

• Quadrant 1

• Quadrant 2

• Quadrant 3

Write the equation for this graph in polar form.

• r = -5sinΘ

• r = -5cosΘ

• r = 5sinΘ

• r = 5cosΘ

• F

• E

• B

• A

Which letter represents the point (-4,\frac{4π}{3})?

• F

• E

• B

• A