1.	Express in rectangular form.
		A.		B.
		C.		D.
		Hint
	2.	The force on an object is represented by the complex number 8 + 7i, where the components are measured in newtons. What is the magnitude of the force?
		A.	about 1.09 N	B.	about 56.13 N
		C.	about 15.67 N	D.	about 10.63 N
		Hint
	3.	Another name for the complex plane is the _________ plane.
		A.	Argand	B.	Cartesian
		C.	polar	D.	rectangular
		Hint
	4.	Express the complex number -9 – 4i in polar form.
		A.
		B.
		C.
		D.
		Hint
	5.	Express the number in rectangular form.
		A.		B.
		C.		D.
		Hint