1.	Write the polar equation in rectangular form.
		A.	x + y = 2x2	B.	x2 + y2 = 4x
		C.	x2 + y2 = 2x	D.	x + y = 4x
		Hint
	2.	Find the rectangular coordinates of the point R.
		A.		B.
		C.		D.
		Hint
	3.	Find the rectangular coordinates of the point K(4, 276°).
		A.	(-2.38, -38.06)	B.	(-38.06, -38.06)
		C.	(-3.98, 0.42)	D.	(0.42, -3.98)
		Hint
	4.	Find the polar coordinates of the point P(8, -2).
		A.		B.	(10, -4)
		C.		D.
		Hint
	5.	Write the polar equation r = 5 sin in rectangular form.
		A.		B.	x2 + y2 = 5y
		C.		D.	x2 + y2 = 5x
		Hint