6 precal questions pls help

1.

Find the rectangular coordinates of the point with the polar coordinates (3, ). (1 point)

	(0, 3)
	(0, -3)
	(-3, 0)
	(3, 0)

2.

Find the rectangular coordinates of the point with the polar coordinates . (1 point)

3.

Find all polar coordinates of point P where P = . (2 points)

	(5, + nπ) or (-5, + nπ)
	(5, + (2n + 1)π) or (-5, + 2nπ)
	(5, + 2nπ) or (-5, + (2n + 1)π)
	(5, + 2nπ) or (-5, + 2nπ)

4.

Determine two pairs of polar coordinates for the point (4, -4) with 0° ≤ θ < 360°. (2 points)

	(4 , 45°), (-4 , 225°)
	(4 , 135°), (-4 , 315°)
	(4 , 225°), (-4 , 45°)
	(4 , 315°), (-4 , 135°)

5.

Use your grapher to determine which of the graphs matches the polar equation r = 1 + 2 cos θ. (2 points)

6.

Find all polar coordinates of point P = (6, 31°). (2 points)