1.	Find the rectangular coordinates of the point
		A.	(4, 4)	B.
		C.	(0, 4)	D.
		Hint
	2.	Write the polar equation in rectangular form.
		A.	x + y = 2x2	B.	x2 + y2 = 4x
		C.	x + y = 4x	D.	x2 + y2 = 2x
		Hint
	3.	Write the rectangular equation x2 + y2 = 9 in polar form.
		A.	r = 18 or r = -18	B.	r = 6 or r = -6
		C.	r = 9 or r = -9	D.	r = 3 or r = -3
		Hint
	4.	Find the rectangular coordinates of the point K(4, 276°).
		A.	(0.42, -3.98)	B.	(-38.06, -38.06)
		C.	(-3.98, 0.42)	D.	(-2.38, -38.06)
		Hint
	5.	Write the polar equation r = 5 sin in rectangular form.
		A.		B.	x2 + y2 = 5y
		C.		D.	x2 + y2 = 5x
		Hint